Finding the Fourth Proportional to 12,462.31, 18,693.53 and 3,697.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,462.31 : 18,693.53 = 3,697.30 : x
2. Step 2: Convert to fraction form
   12,462.31/18,693.53 = 3,697.30/x
3. Step 3: Cross multiply
   12,462.31x = 18,693.53 × 3,697.30
4. Step 4: Simplify right side
   12,462.31x = 69,115,588.47
5. Step 5: Solve for x
   x = 69,115,588.47/12,462.31
6. Step 6: Final answer
   x = 5,545.97