Finding the Fourth Proportional to 88,955.28, 133,585.56 and 78,982.56

Step by Step Solution

1. Step 1: Write the proportion equation
   88,955.28 : 133,585.56 = 78,982.56 : x
2. Step 2: Convert to fraction form
   88,955.28/133,585.56 = 78,982.56/x
3. Step 3: Cross multiply
   88,955.28x = 133,585.56 × 78,982.56
4. Step 4: Simplify right side
   88,955.28x = 10,550,929,507.83
5. Step 5: Solve for x
   x = 10,550,929,507.83/88,955.28
6. Step 6: Final answer
   x = 118,609.37