Finding the Fourth Proportional to 2,476.23, 3,419.61 and 2,120.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.23 : 3,419.61 = 2,120.10 : x
2. Step 2: Convert to fraction form
   2,476.23/3,419.61 = 2,120.10/x
3. Step 3: Cross multiply
   2,476.23x = 3,419.61 × 2,120.10
4. Step 4: Simplify right side
   2,476.23x = 7,249,915.16
5. Step 5: Solve for x
   x = 7,249,915.16/2,476.23
6. Step 6: Final answer
   x = 2,927.80