Finding the Fourth Proportional to 89,500.17, 123,510.69 and 49,216.53

Step by Step Solution

1. Step 1: Write the proportion equation
   89,500.17 : 123,510.69 = 49,216.53 : x
2. Step 2: Convert to fraction form
   89,500.17/123,510.69 = 49,216.53/x
3. Step 3: Cross multiply
   89,500.17x = 123,510.69 × 49,216.53
4. Step 4: Simplify right side
   89,500.17x = 6,078,767,579.71
5. Step 5: Solve for x
   x = 6,078,767,579.71/89,500.17
6. Step 6: Final answer
   x = 67,919.06