Finding the Fourth Proportional to 8,697.56, 12,002.55 and 4,921.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,697.56 : 12,002.55 = 4,921.46 : x
2. Step 2: Convert to fraction form
   8,697.56/12,002.55 = 4,921.46/x
3. Step 3: Cross multiply
   8,697.56x = 12,002.55 × 4,921.46
4. Step 4: Simplify right side
   8,697.56x = 59,070,069.72
5. Step 5: Solve for x
   x = 59,070,069.72/8,697.56
6. Step 6: Final answer
   x = 6,791.57