Finding the Fourth Proportional to 103,013.10, 154,227.78 and 65,479.86

Step by Step Solution

1. Step 1: Write the proportion equation
   103,013.10 : 154,227.78 = 65,479.86 : x
2. Step 2: Convert to fraction form
   103,013.10/154,227.78 = 65,479.86/x
3. Step 3: Cross multiply
   103,013.10x = 154,227.78 × 65,479.86
4. Step 4: Simplify right side
   103,013.10x = 10,098,813,442.51
5. Step 5: Solve for x
   x = 10,098,813,442.51/103,013.10
6. Step 6: Final answer
   x = 98,034.26