Finding the Fourth Proportional to 89,576.64, 123,602.72 and 53,759.04

Step by Step Solution

1. Step 1: Write the proportion equation
   89,576.64 : 123,602.72 = 53,759.04 : x
2. Step 2: Convert to fraction form
   89,576.64/123,602.72 = 53,759.04/x
3. Step 3: Cross multiply
   89,576.64x = 123,602.72 × 53,759.04
4. Step 4: Simplify right side
   89,576.64x = 6,644,763,568.59
5. Step 5: Solve for x
   x = 6,644,763,568.59/89,576.64
6. Step 6: Final answer
   x = 74,179.65