Finding the Fourth Proportional to 13,008.10, 19,510.17 and 4,243

Step by Step Solution

1. Step 1: Write the proportion equation
   13,008.10 : 19,510.17 = 4,243 : x
2. Step 2: Convert to fraction form
   13,008.10/19,510.17 = 4,243/x
3. Step 3: Cross multiply
   13,008.10x = 19,510.17 × 4,243
4. Step 4: Simplify right side
   13,008.10x = 82,781,651.31
5. Step 5: Solve for x
   x = 82,781,651.31/13,008.10
6. Step 6: Final answer
   x = 6,363.85