Finding the Fourth Proportional to 124,648.49, 186,897.55 and 58,103.55

Step by Step Solution

1. Step 1: Write the proportion equation
   124,648.49 : 186,897.55 = 58,103.55 : x
2. Step 2: Convert to fraction form
   124,648.49/186,897.55 = 58,103.55/x
3. Step 3: Cross multiply
   124,648.49x = 186,897.55 × 58,103.55
4. Step 4: Simplify right side
   124,648.49x = 10,859,411,141.30
5. Step 5: Solve for x
   x = 10,859,411,141.30/124,648.49
6. Step 6: Final answer
   x = 87,120.28