Finding the Fourth Proportional to 109,696.61, 151,451.67 and 89,601.73

Step by Step Solution

1. Step 1: Write the proportion equation
   109,696.61 : 151,451.67 = 89,601.73 : x
2. Step 2: Convert to fraction form
   109,696.61/151,451.67 = 89,601.73/x
3. Step 3: Cross multiply
   109,696.61x = 151,451.67 × 89,601.73
4. Step 4: Simplify right side
   109,696.61x = 13,570,331,600.77
5. Step 5: Solve for x
   x = 13,570,331,600.77/109,696.61
6. Step 6: Final answer
   x = 123,707.85