Finding the Fourth Proportional to 132,300.30, 198,320.85 and 69,152.70

Step by Step Solution

1. Step 1: Write the proportion equation
   132,300.30 : 198,320.85 = 69,152.70 : x
2. Step 2: Convert to fraction form
   132,300.30/198,320.85 = 69,152.70/x
3. Step 3: Cross multiply
   132,300.30x = 198,320.85 × 69,152.70
4. Step 4: Simplify right side
   132,300.30x = 13,714,422,243.80
5. Step 5: Solve for x
   x = 13,714,422,243.80/132,300.30
6. Step 6: Final answer
   x = 103,661.31