Finding the Fourth Proportional to 12,530.56, 18,793.28 and 4,736.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,530.56 : 18,793.28 = 4,736.64 : x
2. Step 2: Convert to fraction form
   12,530.56/18,793.28 = 4,736.64/x
3. Step 3: Cross multiply
   12,530.56x = 18,793.28 × 4,736.64
4. Step 4: Simplify right side
   12,530.56x = 89,017,001.78
5. Step 5: Solve for x
   x = 89,017,001.78/12,530.56
6. Step 6: Final answer
   x = 7,103.99