Finding the Fourth Proportional to 42,128.48, 58,141.28 and 23,265.44

Step by Step Solution

1. Step 1: Write the proportion equation
   42,128.48 : 58,141.28 = 23,265.44 : x
2. Step 2: Convert to fraction form
   42,128.48/58,141.28 = 23,265.44/x
3. Step 3: Cross multiply
   42,128.48x = 58,141.28 × 23,265.44
4. Step 4: Simplify right side
   42,128.48x = 1,352,682,461.36
5. Step 5: Solve for x
   x = 1,352,682,461.36/42,128.48
6. Step 6: Final answer
   x = 32,108.50