Finding the Fourth Proportional to 78,335,094.80, 108,057,406.71 and 48,915,356.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,335,094.80 : 108,057,406.71 = 48,915,356.96 : x
2. Step 2: Convert to fraction form
   78,335,094.80/108,057,406.71 = 48,915,356.96/x
3. Step 3: Cross multiply
   78,335,094.80x = 108,057,406.71 × 48,915,356.96
4. Step 4: Simplify right side
   78,335,094.80x = 5,285,666,621,391,549
5. Step 5: Solve for x
   x = 5,285,666,621,391,549/78,335,094.80
6. Step 6: Final answer
   x = 67,475,077.87