Finding the Fourth Proportional to 8,742.52, 12,064.86 and 4,763.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,742.52 : 12,064.86 = 4,763.72 : x
2. Step 2: Convert to fraction form
   8,742.52/12,064.86 = 4,763.72/x
3. Step 3: Cross multiply
   8,742.52x = 12,064.86 × 4,763.72
4. Step 4: Simplify right side
   8,742.52x = 57,473,614.88
5. Step 5: Solve for x
   x = 57,473,614.88/8,742.52
6. Step 6: Final answer
   x = 6,574.03