Finding the Fourth Proportional to 103,745.10, 142,235.06 and 101,853.69

Step by Step Solution

1. Step 1: Write the proportion equation
   103,745.10 : 142,235.06 = 101,853.69 : x
2. Step 2: Convert to fraction form
   103,745.10/142,235.06 = 101,853.69/x
3. Step 3: Cross multiply
   103,745.10x = 142,235.06 × 101,853.69
4. Step 4: Simplify right side
   103,745.10x = 14,487,164,665.72
5. Step 5: Solve for x
   x = 14,487,164,665.72/103,745.10
6. Step 6: Final answer
   x = 139,641.91