Finding the Fourth Proportional to 32,417.72, 48,607.90 and 12,685.51

Step by Step Solution

1. Step 1: Write the proportion equation
   32,417.72 : 48,607.90 = 12,685.51 : x
2. Step 2: Convert to fraction form
   32,417.72/48,607.90 = 12,685.51/x
3. Step 3: Cross multiply
   32,417.72x = 48,607.90 × 12,685.51
4. Step 4: Simplify right side
   32,417.72x = 616,616,030.58
5. Step 5: Solve for x
   x = 616,616,030.58/32,417.72
6. Step 6: Final answer
   x = 19,020.96