Finding the Fourth Proportional to 4,707.50, 7,061.25 and 1,421.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,707.50 : 7,061.25 = 1,421.52 : x
2. Step 2: Convert to fraction form
   4,707.50/7,061.25 = 1,421.52/x
3. Step 3: Cross multiply
   4,707.50x = 7,061.25 × 1,421.52
4. Step 4: Simplify right side
   4,707.50x = 10,037,708.10
5. Step 5: Solve for x
   x = 10,037,708.10/4,707.50
6. Step 6: Final answer
   x = 2,132.28