Finding the Fourth Proportional to 42,490.50, 58,640.52 and 23,631.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,490.50 : 58,640.52 = 23,631.30 : x
2. Step 2: Convert to fraction form
   42,490.50/58,640.52 = 23,631.30/x
3. Step 3: Cross multiply
   42,490.50x = 58,640.52 × 23,631.30
4. Step 4: Simplify right side
   42,490.50x = 1,385,751,720.28
5. Step 5: Solve for x
   x = 1,385,751,720.28/42,490.50
6. Step 6: Final answer
   x = 32,613.21