Finding the Fourth Proportional to 133,074.10, 199,283.10 and 88,459.30

Step by Step Solution

1. Step 1: Write the proportion equation
   133,074.10 : 199,283.10 = 88,459.30 : x
2. Step 2: Convert to fraction form
   133,074.10/199,283.10 = 88,459.30/x
3. Step 3: Cross multiply
   133,074.10x = 199,283.10 × 88,459.30
4. Step 4: Simplify right side
   133,074.10x = 17,628,443,527.83
5. Step 5: Solve for x
   x = 17,628,443,527.83/133,074.10
6. Step 6: Final answer
   x = 132,470.88