Finding the Fourth Proportional to 89,501.28, 123,481.03 and 55,497.53

Step by Step Solution

1. Step 1: Write the proportion equation
   89,501.28 : 123,481.03 = 55,497.53 : x
2. Step 2: Convert to fraction form
   89,501.28/123,481.03 = 55,497.53/x
3. Step 3: Cross multiply
   89,501.28x = 123,481.03 × 55,497.53
4. Step 4: Simplify right side
   89,501.28x = 6,852,892,166.86
5. Step 5: Solve for x
   x = 6,852,892,166.86/89,501.28
6. Step 6: Final answer
   x = 76,567.53