Finding the Fourth Proportional to 133,061.10, 199,263.60 and 88,446.30

Step by Step Solution

1. Step 1: Write the proportion equation
   133,061.10 : 199,263.60 = 88,446.30 : x
2. Step 2: Convert to fraction form
   133,061.10/199,263.60 = 88,446.30/x
3. Step 3: Cross multiply
   133,061.10x = 199,263.60 × 88,446.30
4. Step 4: Simplify right side
   133,061.10x = 17,624,128,144.68
5. Step 5: Solve for x
   x = 17,624,128,144.68/133,061.10
6. Step 6: Final answer
   x = 132,451.39