Finding the Fourth Proportional to 102,238.48, 141,060.72 and 65,924.56

Step by Step Solution

1. Step 1: Write the proportion equation
   102,238.48 : 141,060.72 = 65,924.56 : x
2. Step 2: Convert to fraction form
   102,238.48/141,060.72 = 65,924.56/x
3. Step 3: Cross multiply
   102,238.48x = 141,060.72 × 65,924.56
4. Step 4: Simplify right side
   102,238.48x = 9,299,365,899.28
5. Step 5: Solve for x
   x = 9,299,365,899.28/102,238.48
6. Step 6: Final answer
   x = 90,957.59