Finding the Fourth Proportional to 56,152.50, 77,491.02 and 31,002.54

Step by Step Solution

1. Step 1: Write the proportion equation
   56,152.50 : 77,491.02 = 31,002.54 : x
2. Step 2: Convert to fraction form
   56,152.50/77,491.02 = 31,002.54/x
3. Step 3: Cross multiply
   56,152.50x = 77,491.02 × 31,002.54
4. Step 4: Simplify right side
   56,152.50x = 2,402,418,447.19
5. Step 5: Solve for x
   x = 2,402,418,447.19/56,152.50
6. Step 6: Final answer
   x = 42,783.82