Finding the Fourth Proportional to 102,204.72, 141,003.08 and 75,411.54

Step by Step Solution

1. Step 1: Write the proportion equation
   102,204.72 : 141,003.08 = 75,411.54 : x
2. Step 2: Convert to fraction form
   102,204.72/141,003.08 = 75,411.54/x
3. Step 3: Cross multiply
   102,204.72x = 141,003.08 × 75,411.54
4. Step 4: Simplify right side
   102,204.72x = 10,633,259,407.54
5. Step 5: Solve for x
   x = 10,633,259,407.54/102,204.72
6. Step 6: Final answer
   x = 104,038.83