Finding the Fourth Proportional to 42,381.13, 58,486.31 and 23,518.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,381.13 : 58,486.31 = 23,518.57 : x
2. Step 2: Convert to fraction form
   42,381.13/58,486.31 = 23,518.57/x
3. Step 3: Cross multiply
   42,381.13x = 58,486.31 × 23,518.57
4. Step 4: Simplify right side
   42,381.13x = 1,375,514,375.78
5. Step 5: Solve for x
   x = 1,375,514,375.78/42,381.13
6. Step 6: Final answer
   x = 32,455.82