Finding the Fourth Proportional to 8,685.55, 13,007.35 and 4,976.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,685.55 : 13,007.35 = 4,976.52 : x
2. Step 2: Convert to fraction form
   8,685.55/13,007.35 = 4,976.52/x
3. Step 3: Cross multiply
   8,685.55x = 13,007.35 × 4,976.52
4. Step 4: Simplify right side
   8,685.55x = 64,731,337.42
5. Step 5: Solve for x
   x = 64,731,337.42/8,685.55
6. Step 6: Final answer
   x = 7,452.76