Finding the Fourth Proportional to 28,314.88, 42,479.04 and 8,594.56

Step by Step Solution

1. Step 1: Write the proportion equation
   28,314.88 : 42,479.04 = 8,594.56 : x
2. Step 2: Convert to fraction form
   28,314.88/42,479.04 = 8,594.56/x
3. Step 3: Cross multiply
   28,314.88x = 42,479.04 × 8,594.56
4. Step 4: Simplify right side
   28,314.88x = 365,088,658.02
5. Step 5: Solve for x
   x = 365,088,658.02/28,314.88
6. Step 6: Final answer
   x = 12,893.88