Finding the Fourth Proportional to 4,710.72, 7,066.56 and 1,248

Step by Step Solution

1. Step 1: Write the proportion equation
   4,710.72 : 7,066.56 = 1,248 : x
2. Step 2: Convert to fraction form
   4,710.72/7,066.56 = 1,248/x
3. Step 3: Cross multiply
   4,710.72x = 7,066.56 × 1,248
4. Step 4: Simplify right side
   4,710.72x = 8,819,066.88
5. Step 5: Solve for x
   x = 8,819,066.88/4,710.72
6. Step 6: Final answer
   x = 1,872.13