Finding the Fourth Proportional to 32,320.71, 48,448.62 and 13,605.30

Step by Step Solution

1. Step 1: Write the proportion equation
   32,320.71 : 48,448.62 = 13,605.30 : x
2. Step 2: Convert to fraction form
   32,320.71/48,448.62 = 13,605.30/x
3. Step 3: Cross multiply
   32,320.71x = 48,448.62 × 13,605.30
4. Step 4: Simplify right side
   32,320.71x = 659,158,009.69
5. Step 5: Solve for x
   x = 659,158,009.69/32,320.71
6. Step 6: Final answer
   x = 20,394.29