Finding the Fourth Proportional to 32,391.16, 48,590.83 and 12,667.15

Step by Step Solution

1. Step 1: Write the proportion equation
   32,391.16 : 48,590.83 = 12,667.15 : x
2. Step 2: Convert to fraction form
   32,391.16/48,590.83 = 12,667.15/x
3. Step 3: Cross multiply
   32,391.16x = 48,590.83 × 12,667.15
4. Step 4: Simplify right side
   32,391.16x = 615,507,089.28
5. Step 5: Solve for x
   x = 615,507,089.28/32,391.16
6. Step 6: Final answer
   x = 19,002.32