Finding the Fourth Proportional to 56,565, 78,062.13 and 31,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,565 : 78,062.13 = 31,414.50 : x
2. Step 2: Convert to fraction form
   56,565/78,062.13 = 31,414.50/x
3. Step 3: Cross multiply
   56,565x = 78,062.13 × 31,414.50
4. Step 4: Simplify right side
   56,565x = 2,452,282,782.89
5. Step 5: Solve for x
   x = 2,452,282,782.89/56,565
6. Step 6: Final answer
   x = 43,353.36