Finding the Fourth Proportional to 89,285.16, 123,217.38 and 53,481

Step by Step Solution

1. Step 1: Write the proportion equation
   89,285.16 : 123,217.38 = 53,481 : x
2. Step 2: Convert to fraction form
   89,285.16/123,217.38 = 53,481/x
3. Step 3: Cross multiply
   89,285.16x = 123,217.38 × 53,481
4. Step 4: Simplify right side
   89,285.16x = 6,589,788,699.78
5. Step 5: Solve for x
   x = 6,589,788,699.78/89,285.16
6. Step 6: Final answer
   x = 73,806.09