Finding the Fourth Proportional to 122,291.73, 168,684.89 and 88,350.03

Step by Step Solution

1. Step 1: Write the proportion equation
   122,291.73 : 168,684.89 = 88,350.03 : x
2. Step 2: Convert to fraction form
   122,291.73/168,684.89 = 88,350.03/x
3. Step 3: Cross multiply
   122,291.73x = 168,684.89 × 88,350.03
4. Step 4: Simplify right side
   122,291.73x = 14,903,314,650.30
5. Step 5: Solve for x
   x = 14,903,314,650.30/122,291.73
6. Step 6: Final answer
   x = 121,866.91