Finding the Fourth Proportional to 57,173,834.45, 78,899,831.52 and 31,068,290.18

Step by Step Solution

1. Step 1: Write the proportion equation
   57,173,834.45 : 78,899,831.52 = 31,068,290.18 : x
2. Step 2: Convert to fraction form
   57,173,834.45/78,899,831.52 = 31,068,290.18/x
3. Step 3: Cross multiply
   57,173,834.45x = 78,899,831.52 × 31,068,290.18
4. Step 4: Simplify right side
   57,173,834.45x = 2,451,282,860,816,470.50
5. Step 5: Solve for x
   x = 2,451,282,860,816,470.50/57,173,834.45
6. Step 6: Final answer
   x = 42,874,207.83