Finding the Fourth Proportional to 111,087.90, 153,291.42 and 65,767.32

Step by Step Solution

1. Step 1: Write the proportion equation
   111,087.90 : 153,291.42 = 65,767.32 : x
2. Step 2: Convert to fraction form
   111,087.90/153,291.42 = 65,767.32/x
3. Step 3: Cross multiply
   111,087.90x = 153,291.42 × 65,767.32
4. Step 4: Simplify right side
   111,087.90x = 10,081,565,872.39
5. Step 5: Solve for x
   x = 10,081,565,872.39/111,087.90
6. Step 6: Final answer
   x = 90,753.05