Finding the Fourth Proportional to 56,132.46, 77,462.53 and 30,981.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,132.46 : 77,462.53 = 30,981.96 : x
2. Step 2: Convert to fraction form
   56,132.46/77,462.53 = 30,981.96/x
3. Step 3: Cross multiply
   56,132.46x = 77,462.53 × 30,981.96
4. Step 4: Simplify right side
   56,132.46x = 2,399,940,928.50
5. Step 5: Solve for x
   x = 2,399,940,928.50/56,132.46
6. Step 6: Final answer
   x = 42,754.96