Finding the Fourth Proportional to 3,061.68, 4,590.79 and 2,800.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.68 : 4,590.79 = 2,800.46 : x
2. Step 2: Convert to fraction form
   3,061.68/4,590.79 = 2,800.46/x
3. Step 3: Cross multiply
   3,061.68x = 4,590.79 × 2,800.46
4. Step 4: Simplify right side
   3,061.68x = 12,856,300.81
5. Step 5: Solve for x
   x = 12,856,300.81/3,061.68
6. Step 6: Final answer
   x = 4,199.10