Finding the Fourth Proportional to 110,618.35, 152,617.20 and 65,281.03

Step by Step Solution

1. Step 1: Write the proportion equation
   110,618.35 : 152,617.20 = 65,281.03 : x
2. Step 2: Convert to fraction form
   110,618.35/152,617.20 = 65,281.03/x
3. Step 3: Cross multiply
   110,618.35x = 152,617.20 × 65,281.03
4. Step 4: Simplify right side
   110,618.35x = 9,963,008,011.72
5. Step 5: Solve for x
   x = 9,963,008,011.72/110,618.35
6. Step 6: Final answer
   x = 90,066.50