Finding the Fourth Proportional to 39,938,368,792.78, 55,116,681,431.69 and 22,117,026,298.77

Step by Step Solution

1. Step 1: Write the proportion equation
   39,938,368,792.78 : 55,116,681,431.69 = 22,117,026,298.77 : x
2. Step 2: Convert to fraction form
   39,938,368,792.78/55,116,681,431.69 = 22,117,026,298.77/x
3. Step 3: Cross multiply
   39,938,368,792.78x = 55,116,681,431.69 × 22,117,026,298.77
4. Step 4: Simplify right side
   39,938,368,792.78x = 1,219,017,092,725,505,261,568
5. Step 5: Solve for x
   x = 1,219,017,092,725,505,261,568/39,938,368,792.78
6. Step 6: Final answer
   x = 30,522,455,712.96