Finding the Fourth Proportional to 89,718.56, 134,696.88 and 76,654.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,718.56 : 134,696.88 = 76,654.88 : x
2. Step 2: Convert to fraction form
   89,718.56/134,696.88 = 76,654.88/x
3. Step 3: Cross multiply
   89,718.56x = 134,696.88 × 76,654.88
4. Step 4: Simplify right side
   89,718.56x = 10,325,173,172.77
5. Step 5: Solve for x
   x = 10,325,173,172.77/89,718.56
6. Step 6: Final answer
   x = 115,084.03