Finding the Fourth Proportional to 56,899.02, 78,520.65 and 31,748.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,899.02 : 78,520.65 = 31,748.52 : x
2. Step 2: Convert to fraction form
   56,899.02/78,520.65 = 31,748.52/x
3. Step 3: Cross multiply
   56,899.02x = 78,520.65 × 31,748.52
4. Step 4: Simplify right side
   56,899.02x = 2,492,914,360.37
5. Step 5: Solve for x
   x = 2,492,914,360.37/56,899.02
6. Step 6: Final answer
   x = 43,812.96