Finding the Fourth Proportional to 124,648.50, 186,897.56 and 58,103.57

Step by Step Solution

1. Step 1: Write the proportion equation
   124,648.50 : 186,897.56 = 58,103.57 : x
2. Step 2: Convert to fraction form
   124,648.50/186,897.56 = 58,103.57/x
3. Step 3: Cross multiply
   124,648.50x = 186,897.56 × 58,103.57
4. Step 4: Simplify right side
   124,648.50x = 10,859,414,235.28
5. Step 5: Solve for x
   x = 10,859,414,235.28/124,648.50
6. Step 6: Final answer
   x = 87,120.30