Finding the Fourth Proportional to 32,855.90, 49,320.72 and 13,148.19

Step by Step Solution

1. Step 1: Write the proportion equation
   32,855.90 : 49,320.72 = 13,148.19 : x
2. Step 2: Convert to fraction form
   32,855.90/49,320.72 = 13,148.19/x
3. Step 3: Cross multiply
   32,855.90x = 49,320.72 × 13,148.19
4. Step 4: Simplify right side
   32,855.90x = 648,478,197.50
5. Step 5: Solve for x
   x = 648,478,197.50/32,855.90
6. Step 6: Final answer
   x = 19,737.04