Finding the Fourth Proportional to 56,002.24, 77,280.32 and 30,847.04

Step by Step Solution

1. Step 1: Write the proportion equation
   56,002.24 : 77,280.32 = 30,847.04 : x
2. Step 2: Convert to fraction form
   56,002.24/77,280.32 = 30,847.04/x
3. Step 3: Cross multiply
   56,002.24x = 77,280.32 × 30,847.04
4. Step 4: Simplify right side
   56,002.24x = 2,383,869,122.25
5. Step 5: Solve for x
   x = 2,383,869,122.25/56,002.24
6. Step 6: Final answer
   x = 42,567.39