Finding the Fourth Proportional to 42,128.67, 58,137.18 and 23,265.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,128.67 : 58,137.18 = 23,265.39 : x
2. Step 2: Convert to fraction form
   42,128.67/58,137.18 = 23,265.39/x
3. Step 3: Cross multiply
   42,128.67x = 58,137.18 × 23,265.39
4. Step 4: Simplify right side
   42,128.67x = 1,352,584,166.20
5. Step 5: Solve for x
   x = 1,352,584,166.20/42,128.67
6. Step 6: Final answer
   x = 32,106.03