Finding the Fourth Proportional to 89,457.41, 123,445 and 49,170.17

Step by Step Solution

1. Step 1: Write the proportion equation
   89,457.41 : 123,445 = 49,170.17 : x
2. Step 2: Convert to fraction form
   89,457.41/123,445 = 49,170.17/x
3. Step 3: Cross multiply
   89,457.41x = 123,445 × 49,170.17
4. Step 4: Simplify right side
   89,457.41x = 6,069,811,635.65
5. Step 5: Solve for x
   x = 6,069,811,635.65/89,457.41
6. Step 6: Final answer
   x = 67,851.41