Finding the Fourth Proportional to 80,629,862.50, 111,278,656.61 and 45,827,784.31

Step by Step Solution

1. Step 1: Write the proportion equation
   80,629,862.50 : 111,278,656.61 = 45,827,784.31 : x
2. Step 2: Convert to fraction form
   80,629,862.50/111,278,656.61 = 45,827,784.31/x
3. Step 3: Cross multiply
   80,629,862.50x = 111,278,656.61 × 45,827,784.31
4. Step 4: Simplify right side
   80,629,862.50x = 5,099,654,273,200,497
5. Step 5: Solve for x
   x = 5,099,654,273,200,497/80,629,862.50
6. Step 6: Final answer
   x = 63,247,711.40