Finding the Fourth Proportional to 42,402.40, 58,513.03 and 23,538.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,402.40 : 58,513.03 = 23,538.31 : x
2. Step 2: Convert to fraction form
   42,402.40/58,513.03 = 23,538.31/x
3. Step 3: Cross multiply
   42,402.40x = 58,513.03 × 23,538.31
4. Step 4: Simplify right side
   42,402.40x = 1,377,297,839.18
5. Step 5: Solve for x
   x = 1,377,297,839.18/42,402.40
6. Step 6: Final answer
   x = 32,481.60