Finding the Fourth Proportional to 89,548.04, 123,562.58 and 51,815

Step by Step Solution

1. Step 1: Write the proportion equation
   89,548.04 : 123,562.58 = 51,815 : x
2. Step 2: Convert to fraction form
   89,548.04/123,562.58 = 51,815/x
3. Step 3: Cross multiply
   89,548.04x = 123,562.58 × 51,815
4. Step 4: Simplify right side
   89,548.04x = 6,402,395,082.70
5. Step 5: Solve for x
   x = 6,402,395,082.70/89,548.04
6. Step 6: Final answer
   x = 71,496.76