Finding the Fourth Proportional to 8,548.76, 12,815.55 and 4,602.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,548.76 : 12,815.55 = 4,602.15 : x
2. Step 2: Convert to fraction form
   8,548.76/12,815.55 = 4,602.15/x
3. Step 3: Cross multiply
   8,548.76x = 12,815.55 × 4,602.15
4. Step 4: Simplify right side
   8,548.76x = 58,979,083.43
5. Step 5: Solve for x
   x = 58,979,083.43/8,548.76
6. Step 6: Final answer
   x = 6,899.14