Finding the Fourth Proportional to 112,592.22, 155,198.61 and 88,681.02

Step by Step Solution

1. Step 1: Write the proportion equation
   112,592.22 : 155,198.61 = 88,681.02 : x
2. Step 2: Convert to fraction form
   112,592.22/155,198.61 = 88,681.02/x
3. Step 3: Cross multiply
   112,592.22x = 155,198.61 × 88,681.02
4. Step 4: Simplify right side
   112,592.22x = 13,763,171,037.38
5. Step 5: Solve for x
   x = 13,763,171,037.38/112,592.22
6. Step 6: Final answer
   x = 122,239.09