Finding the Fourth Proportional to 139,359,447.32, 209,025,663.48 and 42,316,007.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,359,447.32 : 209,025,663.48 = 42,316,007.94 : x
2. Step 2: Convert to fraction form
   139,359,447.32/209,025,663.48 = 42,316,007.94/x
3. Step 3: Cross multiply
   139,359,447.32x = 209,025,663.48 × 42,316,007.94
4. Step 4: Simplify right side
   139,359,447.32x = 8,845,131,635,483,447
5. Step 5: Solve for x
   x = 8,845,131,635,483,447/139,359,447.32
6. Step 6: Final answer
   x = 63,469,910.41