Finding the Fourth Proportional to 111,410.08, 153,736.26 and 65,464.85

Step by Step Solution

1. Step 1: Write the proportion equation
   111,410.08 : 153,736.26 = 65,464.85 : x
2. Step 2: Convert to fraction form
   111,410.08/153,736.26 = 65,464.85/x
3. Step 3: Cross multiply
   111,410.08x = 153,736.26 × 65,464.85
4. Step 4: Simplify right side
   111,410.08x = 10,064,321,200.46
5. Step 5: Solve for x
   x = 10,064,321,200.46/111,410.08
6. Step 6: Final answer
   x = 90,335.82