Finding the Fourth Proportional to 42,688.72, 58,911.24 and 24,785.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688.72 : 58,911.24 = 24,785.20 : x
2. Step 2: Convert to fraction form
   42,688.72/58,911.24 = 24,785.20/x
3. Step 3: Cross multiply
   42,688.72x = 58,911.24 × 24,785.20
4. Step 4: Simplify right side
   42,688.72x = 1,460,126,865.65
5. Step 5: Solve for x
   x = 1,460,126,865.65/42,688.72
6. Step 6: Final answer
   x = 34,204.04