Finding the Fourth Proportional to 89,359.47, 123,306.84 and 53,548.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,359.47 : 123,306.84 = 53,548.56 : x
2. Step 2: Convert to fraction form
   89,359.47/123,306.84 = 53,548.56/x
3. Step 3: Cross multiply
   89,359.47x = 123,306.84 × 53,548.56
4. Step 4: Simplify right side
   89,359.47x = 6,602,903,720.15
5. Step 5: Solve for x
   x = 6,602,903,720.15/89,359.47
6. Step 6: Final answer
   x = 73,891.48