Finding the Fourth Proportional to 107,409.34, 148,314.59 and 89,597.71

Step by Step Solution

1. Step 1: Write the proportion equation
   107,409.34 : 148,314.59 = 89,597.71 : x
2. Step 2: Convert to fraction form
   107,409.34/148,314.59 = 89,597.71/x
3. Step 3: Cross multiply
   107,409.34x = 148,314.59 × 89,597.71
4. Step 4: Simplify right side
   107,409.34x = 13,288,647,623.59
5. Step 5: Solve for x
   x = 13,288,647,623.59/107,409.34
6. Step 6: Final answer
   x = 123,719.67