Finding the Fourth Proportional to 133,061.60, 199,264.35 and 88,446.80

Step by Step Solution

1. Step 1: Write the proportion equation
   133,061.60 : 199,264.35 = 88,446.80 : x
2. Step 2: Convert to fraction form
   133,061.60/199,264.35 = 88,446.80/x
3. Step 3: Cross multiply
   133,061.60x = 199,264.35 × 88,446.80
4. Step 4: Simplify right side
   133,061.60x = 17,624,294,111.58
5. Step 5: Solve for x
   x = 17,624,294,111.58/133,061.60
6. Step 6: Final answer
   x = 132,452.14