Finding the Fourth Proportional to 32,449.76, 48,667.20 and 9,078.56

Step by Step Solution

1. Step 1: Write the proportion equation
   32,449.76 : 48,667.20 = 9,078.56 : x
2. Step 2: Convert to fraction form
   32,449.76/48,667.20 = 9,078.56/x
3. Step 3: Cross multiply
   32,449.76x = 48,667.20 × 9,078.56
4. Step 4: Simplify right side
   32,449.76x = 441,828,095.23
5. Step 5: Solve for x
   x = 441,828,095.23/32,449.76
6. Step 6: Final answer
   x = 13,615.76