Finding the Fourth Proportional to 2,316.12, 3,470.94 and 1,665.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.12 : 3,470.94 = 1,665.42 : x
2. Step 2: Convert to fraction form
   2,316.12/3,470.94 = 1,665.42/x
3. Step 3: Cross multiply
   2,316.12x = 3,470.94 × 1,665.42
4. Step 4: Simplify right side
   2,316.12x = 5,780,572.89
5. Step 5: Solve for x
   x = 5,780,572.89/2,316.12
6. Step 6: Final answer
   x = 2,495.80