Finding the Fourth Proportional to 3,061.48, 4,595.63 and 2,860.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.48 : 4,595.63 = 2,860.72 : x
2. Step 2: Convert to fraction form
   3,061.48/4,595.63 = 2,860.72/x
3. Step 3: Cross multiply
   3,061.48x = 4,595.63 × 2,860.72
4. Step 4: Simplify right side
   3,061.48x = 13,146,810.65
5. Step 5: Solve for x
   x = 13,146,810.65/3,061.48
6. Step 6: Final answer
   x = 4,294.27