Finding the Fourth Proportional to 110,465.16, 152,434.71 and 65,140.98

Step by Step Solution

1. Step 1: Write the proportion equation
   110,465.16 : 152,434.71 = 65,140.98 : x
2. Step 2: Convert to fraction form
   110,465.16/152,434.71 = 65,140.98/x
3. Step 3: Cross multiply
   110,465.16x = 152,434.71 × 65,140.98
4. Step 4: Simplify right side
   110,465.16x = 9,929,746,395.42
5. Step 5: Solve for x
   x = 9,929,746,395.42/110,465.16
6. Step 6: Final answer
   x = 89,890.30