Finding the Fourth Proportional to 80,906,877.83, 111,681,854.18 and 53,031,384.43

Step by Step Solution

1. Step 1: Write the proportion equation
   80,906,877.83 : 111,681,854.18 = 53,031,384.43 : x
2. Step 2: Convert to fraction form
   80,906,877.83/111,681,854.18 = 53,031,384.43/x
3. Step 3: Cross multiply
   80,906,877.83x = 111,681,854.18 × 53,031,384.43
4. Step 4: Simplify right side
   80,906,877.83x = 5,922,643,342,874,783
5. Step 5: Solve for x
   x = 5,922,643,342,874,783/80,906,877.83
6. Step 6: Final answer
   x = 73,203,212.16