Finding the Fourth Proportional to 4,200.59, 5,796.69 and 2,312.18

Step by Step Solution

1. Step 1: Write the proportion equation
   4,200.59 : 5,796.69 = 2,312.18 : x
2. Step 2: Convert to fraction form
   4,200.59/5,796.69 = 2,312.18/x
3. Step 3: Cross multiply
   4,200.59x = 5,796.69 × 2,312.18
4. Step 4: Simplify right side
   4,200.59x = 13,402,961.70
5. Step 5: Solve for x
   x = 13,402,961.70/4,200.59
6. Step 6: Final answer
   x = 3,190.74