Finding the Fourth Proportional to 12,158.68, 18,240.60 and 3,841.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158.68 : 18,240.60 = 3,841.12 : x
2. Step 2: Convert to fraction form
   12,158.68/18,240.60 = 3,841.12/x
3. Step 3: Cross multiply
   12,158.68x = 18,240.60 × 3,841.12
4. Step 4: Simplify right side
   12,158.68x = 70,064,333.47
5. Step 5: Solve for x
   x = 70,064,333.47/12,158.68
6. Step 6: Final answer
   x = 5,762.50