Finding the Fourth Proportional to 12,488.72, 18,733.08 and 3,254

Step by Step Solution

1. Step 1: Write the proportion equation
   12,488.72 : 18,733.08 = 3,254 : x
2. Step 2: Convert to fraction form
   12,488.72/18,733.08 = 3,254/x
3. Step 3: Cross multiply
   12,488.72x = 18,733.08 × 3,254
4. Step 4: Simplify right side
   12,488.72x = 60,957,442.32
5. Step 5: Solve for x
   x = 60,957,442.32/12,488.72
6. Step 6: Final answer
   x = 4,881.00