Finding the Fourth Proportional to 42,417.90, 58,538.50 and 23,555

Step by Step Solution

1. Step 1: Write the proportion equation
   42,417.90 : 58,538.50 = 23,555 : x
2. Step 2: Convert to fraction form
   42,417.90/58,538.50 = 23,555/x
3. Step 3: Cross multiply
   42,417.90x = 58,538.50 × 23,555
4. Step 4: Simplify right side
   42,417.90x = 1,378,874,367.50
5. Step 5: Solve for x
   x = 1,378,874,367.50/42,417.90
6. Step 6: Final answer
   x = 32,506.90