Finding the Fourth Proportional to 103,123.88, 154,731.62 and 65,674.24

Step by Step Solution

1. Step 1: Write the proportion equation
   103,123.88 : 154,731.62 = 65,674.24 : x
2. Step 2: Convert to fraction form
   103,123.88/154,731.62 = 65,674.24/x
3. Step 3: Cross multiply
   103,123.88x = 154,731.62 × 65,674.24
4. Step 4: Simplify right side
   103,123.88x = 10,161,881,825.77
5. Step 5: Solve for x
   x = 10,161,881,825.77/103,123.88
6. Step 6: Final answer
   x = 98,540.53