Finding the Fourth Proportional to 32,948.78, 49,429.20 and 13,229.30

Step by Step Solution

1. Step 1: Write the proportion equation
   32,948.78 : 49,429.20 = 13,229.30 : x
2. Step 2: Convert to fraction form
   32,948.78/49,429.20 = 13,229.30/x
3. Step 3: Cross multiply
   32,948.78x = 49,429.20 × 13,229.30
4. Step 4: Simplify right side
   32,948.78x = 653,913,715.56
5. Step 5: Solve for x
   x = 653,913,715.56/32,948.78
6. Step 6: Final answer
   x = 19,846.37