Finding the Fourth Proportional to 103,601.04, 154,632.69 and 89,308.32

Step by Step Solution

1. Step 1: Write the proportion equation
   103,601.04 : 154,632.69 = 89,308.32 : x
2. Step 2: Convert to fraction form
   103,601.04/154,632.69 = 89,308.32/x
3. Step 3: Cross multiply
   103,601.04x = 154,632.69 × 89,308.32
4. Step 4: Simplify right side
   103,601.04x = 13,809,985,760.98
5. Step 5: Solve for x
   x = 13,809,985,760.98/103,601.04
6. Step 6: Final answer
   x = 133,299.68