Finding the Fourth Proportional to 55,566,223.50, 76,681,388.43 and 31,119,937.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,566,223.50 : 76,681,388.43 = 31,119,937.50 : x
2. Step 2: Convert to fraction form
   55,566,223.50/76,681,388.43 = 31,119,937.50/x
3. Step 3: Cross multiply
   55,566,223.50x = 76,681,388.43 × 31,119,937.50
4. Step 4: Simplify right side
   55,566,223.50x = 2,386,320,015,354,823.50
5. Step 5: Solve for x
   x = 2,386,320,015,354,823.50/55,566,223.50
6. Step 6: Final answer
   x = 42,945,513.75