Finding the Fourth Proportional to 89,406.30, 123,363.54 and 60,748.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,406.30 : 123,363.54 = 60,748.68 : x
2. Step 2: Convert to fraction form
   89,406.30/123,363.54 = 60,748.68/x
3. Step 3: Cross multiply
   89,406.30x = 123,363.54 × 60,748.68
4. Step 4: Simplify right side
   89,406.30x = 7,494,172,215.13
5. Step 5: Solve for x
   x = 7,494,172,215.13/89,406.30
6. Step 6: Final answer
   x = 83,821.52