Finding the Fourth Proportional to 109,595.54, 151,104.15 and 89,431.94

Step by Step Solution

1. Step 1: Write the proportion equation
   109,595.54 : 151,104.15 = 89,431.94 : x
2. Step 2: Convert to fraction form
   109,595.54/151,104.15 = 89,431.94/x
3. Step 3: Cross multiply
   109,595.54x = 151,104.15 × 89,431.94
4. Step 4: Simplify right side
   109,595.54x = 13,513,537,276.55
5. Step 5: Solve for x
   x = 13,513,537,276.55/109,595.54
6. Step 6: Final answer
   x = 123,303.72