Finding the Fourth Proportional to 89,304.96, 123,258.72 and 53,516.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89,304.96 : 123,258.72 = 53,516.16 : x
2. Step 2: Convert to fraction form
   89,304.96/123,258.72 = 53,516.16/x
3. Step 3: Cross multiply
   89,304.96x = 123,258.72 × 53,516.16
4. Step 4: Simplify right side
   89,304.96x = 6,596,333,380.92
5. Step 5: Solve for x
   x = 6,596,333,380.92/89,304.96
6. Step 6: Final answer
   x = 73,863.01