Finding the Fourth Proportional to 87,078,938.69, 120,141,881.63 and 49,395,892.07

Step by Step Solution

1. Step 1: Write the proportion equation
   87,078,938.69 : 120,141,881.63 = 49,395,892.07 : x
2. Step 2: Convert to fraction form
   87,078,938.69/120,141,881.63 = 49,395,892.07/x
3. Step 3: Cross multiply
   87,078,938.69x = 120,141,881.63 × 49,395,892.07
4. Step 4: Simplify right side
   87,078,938.69x = 5,934,515,417,234,507
5. Step 5: Solve for x
   x = 5,934,515,417,234,507/87,078,938.69
6. Step 6: Final answer
   x = 68,150,984.69