Finding the Fourth Proportional to 42,174.88, 58,153.86 and 28,753.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,174.88 : 58,153.86 = 28,753.96 : x
2. Step 2: Convert to fraction form
   42,174.88/58,153.86 = 28,753.96/x
3. Step 3: Cross multiply
   42,174.88x = 58,153.86 × 28,753.96
4. Step 4: Simplify right side
   42,174.88x = 1,672,153,764.29
5. Step 5: Solve for x
   x = 1,672,153,764.29/42,174.88
6. Step 6: Final answer
   x = 39,648.10