Finding the Fourth Proportional to 56,842.72, 78,443.52 and 32,975.20

Step by Step Solution

1. Step 1: Write the proportion equation
   56,842.72 : 78,443.52 = 32,975.20 : x
2. Step 2: Convert to fraction form
   56,842.72/78,443.52 = 32,975.20/x
3. Step 3: Cross multiply
   56,842.72x = 78,443.52 × 32,975.20
4. Step 4: Simplify right side
   56,842.72x = 2,586,690,760.70
5. Step 5: Solve for x
   x = 2,586,690,760.70/56,842.72
6. Step 6: Final answer
   x = 45,506.10