Finding the Fourth Proportional to 78,475,601.36, 108,234,978.60 and 50,982,387.92

Step by Step Solution

1. Step 1: Write the proportion equation
   78,475,601.36 : 108,234,978.60 = 50,982,387.92 : x
2. Step 2: Convert to fraction form
   78,475,601.36/108,234,978.60 = 50,982,387.92/x
3. Step 3: Cross multiply
   78,475,601.36x = 108,234,978.60 × 50,982,387.92
4. Step 4: Simplify right side
   78,475,601.36x = 5,518,077,665,498,098
5. Step 5: Solve for x
   x = 5,518,077,665,498,098/78,475,601.36
6. Step 6: Final answer
   x = 70,315,837.91