Finding the Fourth Proportional to 57,937.50, 79,953.76 and 31,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,937.50 : 79,953.76 = 31,441.50 : x
2. Step 2: Convert to fraction form
   57,937.50/79,953.76 = 31,441.50/x
3. Step 3: Cross multiply
   57,937.50x = 79,953.76 × 31,441.50
4. Step 4: Simplify right side
   57,937.50x = 2,513,866,145.04
5. Step 5: Solve for x
   x = 2,513,866,145.04/57,937.50
6. Step 6: Final answer
   x = 43,389.28