Finding the Fourth Proportional to 10,103.72, 13,939.35 and 10,088.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,103.72 : 13,939.35 = 10,088.14 : x
2. Step 2: Convert to fraction form
   10,103.72/13,939.35 = 10,088.14/x
3. Step 3: Cross multiply
   10,103.72x = 13,939.35 × 10,088.14
4. Step 4: Simplify right side
   10,103.72x = 140,622,114.31
5. Step 5: Solve for x
   x = 140,622,114.31/10,103.72
6. Step 6: Final answer
   x = 13,917.86