Finding the Fourth Proportional to 110,609.10, 152,613.15 and 65,287.98

Step by Step Solution

1. Step 1: Write the proportion equation
   110,609.10 : 152,613.15 = 65,287.98 : x
2. Step 2: Convert to fraction form
   110,609.10/152,613.15 = 65,287.98/x
3. Step 3: Cross multiply
   110,609.10x = 152,613.15 × 65,287.98
4. Step 4: Simplify right side
   110,609.10x = 9,963,804,284.94
5. Step 5: Solve for x
   x = 9,963,804,284.94/110,609.10
6. Step 6: Final answer
   x = 90,081.23