Finding the Fourth Proportional to 111,704.08, 153,993 and 88,842.64

Step by Step Solution

1. Step 1: Write the proportion equation
   111,704.08 : 153,993 = 88,842.64 : x
2. Step 2: Convert to fraction form
   111,704.08/153,993 = 88,842.64/x
3. Step 3: Cross multiply
   111,704.08x = 153,993 × 88,842.64
4. Step 4: Simplify right side
   111,704.08x = 13,681,144,661.52
5. Step 5: Solve for x
   x = 13,681,144,661.52/111,704.08
6. Step 6: Final answer
   x = 122,476.68