Finding the Fourth Proportional to 32,931.33, 49,406.24 and 13,223.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,931.33 : 49,406.24 = 13,223.72 : x
2. Step 2: Convert to fraction form
   32,931.33/49,406.24 = 13,223.72/x
3. Step 3: Cross multiply
   32,931.33x = 49,406.24 × 13,223.72
4. Step 4: Simplify right side
   32,931.33x = 653,334,366.20
5. Step 5: Solve for x
   x = 653,334,366.20/32,931.33
6. Step 6: Final answer
   x = 19,839.30