Finding the Fourth Proportional to 39,938,359,356.78, 55,116,668,409.98 and 22,117,016,862.78

Step by Step Solution

1. Step 1: Write the proportion equation
   39,938,359,356.78 : 55,116,668,409.98 = 22,117,016,862.78 : x
2. Step 2: Convert to fraction form
   39,938,359,356.78/55,116,668,409.98 = 22,117,016,862.78/x
3. Step 3: Cross multiply
   39,938,359,356.78x = 55,116,668,409.98 × 22,117,016,862.78
4. Step 4: Simplify right side
   39,938,359,356.78x = 1,219,016,284,643,670,622,208
5. Step 5: Solve for x
   x = 1,219,016,284,643,670,622,208/39,938,359,356.78
6. Step 6: Final answer
   x = 30,522,442,691.09