Finding the Fourth Proportional to 56,111.92, 77,434.68 and 30,962.16

Step by Step Solution

1. Step 1: Write the proportion equation
   56,111.92 : 77,434.68 = 30,962.16 : x
2. Step 2: Convert to fraction form
   56,111.92/77,434.68 = 30,962.16/x
3. Step 3: Cross multiply
   56,111.92x = 77,434.68 × 30,962.16
4. Step 4: Simplify right side
   56,111.92x = 2,397,544,951.71
5. Step 5: Solve for x
   x = 2,397,544,951.71/56,111.92
6. Step 6: Final answer
   x = 42,727.91