Finding the Fourth Proportional to 107,476.76, 148,407.46 and 89,665.14

Step by Step Solution

1. Step 1: Write the proportion equation
   107,476.76 : 148,407.46 = 89,665.14 : x
2. Step 2: Convert to fraction form
   107,476.76/148,407.46 = 89,665.14/x
3. Step 3: Cross multiply
   107,476.76x = 148,407.46 × 89,665.14
4. Step 4: Simplify right side
   107,476.76x = 13,306,975,677.94
5. Step 5: Solve for x
   x = 13,306,975,677.94/107,476.76
6. Step 6: Final answer
   x = 123,812.59