Finding the Fourth Proportional to 102,969.42, 154,239.06 and 65,510.16

Step by Step Solution

1. Step 1: Write the proportion equation
   102,969.42 : 154,239.06 = 65,510.16 : x
2. Step 2: Convert to fraction form
   102,969.42/154,239.06 = 65,510.16/x
3. Step 3: Cross multiply
   102,969.42x = 154,239.06 × 65,510.16
4. Step 4: Simplify right side
   102,969.42x = 10,104,225,498.85
5. Step 5: Solve for x
   x = 10,104,225,498.85/102,969.42
6. Step 6: Final answer
   x = 98,128.41