Finding the Fourth Proportional to 2,320.16, 3,478.62 and 2,101.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.16 : 3,478.62 = 2,101.46 : x
2. Step 2: Convert to fraction form
   2,320.16/3,478.62 = 2,101.46/x
3. Step 3: Cross multiply
   2,320.16x = 3,478.62 × 2,101.46
4. Step 4: Simplify right side
   2,320.16x = 7,310,180.79
5. Step 5: Solve for x
   x = 7,310,180.79/2,320.16
6. Step 6: Final answer
   x = 3,150.72