Finding the Fourth Proportional to 32,424.71, 48,628.35 and 12,429.86

Step by Step Solution

1. Step 1: Write the proportion equation
   32,424.71 : 48,628.35 = 12,429.86 : x
2. Step 2: Convert to fraction form
   32,424.71/48,628.35 = 12,429.86/x
3. Step 3: Cross multiply
   32,424.71x = 48,628.35 × 12,429.86
4. Step 4: Simplify right side
   32,424.71x = 604,443,339.39
5. Step 5: Solve for x
   x = 604,443,339.39/32,424.71
6. Step 6: Final answer
   x = 18,641.44