Finding the Fourth Proportional to 110,690.38, 152,792.17 and 65,368.55

Step by Step Solution

1. Step 1: Write the proportion equation
   110,690.38 : 152,792.17 = 65,368.55 : x
2. Step 2: Convert to fraction form
   110,690.38/152,792.17 = 65,368.55/x
3. Step 3: Cross multiply
   110,690.38x = 152,792.17 × 65,368.55
4. Step 4: Simplify right side
   110,690.38x = 9,987,801,513.45
5. Step 5: Solve for x
   x = 9,987,801,513.45/110,690.38
6. Step 6: Final answer
   x = 90,231.88