Finding the Fourth Proportional to 12,013.10, 18,023.49 and 5,437.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,013.10 : 18,023.49 = 5,437.52 : x
2. Step 2: Convert to fraction form
   12,013.10/18,023.49 = 5,437.52/x
3. Step 3: Cross multiply
   12,013.10x = 18,023.49 × 5,437.52
4. Step 4: Simplify right side
   12,013.10x = 98,003,087.34
5. Step 5: Solve for x
   x = 98,003,087.34/12,013.10
6. Step 6: Final answer
   x = 8,158.02