Finding the Fourth Proportional to 32,412.18, 48,598.82 and 12,667.21

Step by Step Solution

1. Step 1: Write the proportion equation
   32,412.18 : 48,598.82 = 12,667.21 : x
2. Step 2: Convert to fraction form
   32,412.18/48,598.82 = 12,667.21/x
3. Step 3: Cross multiply
   32,412.18x = 48,598.82 × 12,667.21
4. Step 4: Simplify right side
   32,412.18x = 615,611,395.36
5. Step 5: Solve for x
   x = 615,611,395.36/32,412.18
6. Step 6: Final answer
   x = 18,993.21