Finding the Fourth Proportional to 32,429.08, 48,624.12 and 12,684.10

Step by Step Solution

1. Step 1: Write the proportion equation
   32,429.08 : 48,624.12 = 12,684.10 : x
2. Step 2: Convert to fraction form
   32,429.08/48,624.12 = 12,684.10/x
3. Step 3: Cross multiply
   32,429.08x = 48,624.12 × 12,684.10
4. Step 4: Simplify right side
   32,429.08x = 616,753,200.49
5. Step 5: Solve for x
   x = 616,753,200.49/32,429.08
6. Step 6: Final answer
   x = 19,018.52