Finding the Fourth Proportional to 2,462.68, 3,400.86 and 2,111.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.68 : 3,400.86 = 2,111.32 : x
2. Step 2: Convert to fraction form
   2,462.68/3,400.86 = 2,111.32/x
3. Step 3: Cross multiply
   2,462.68x = 3,400.86 × 2,111.32
4. Step 4: Simplify right side
   2,462.68x = 7,180,303.74
5. Step 5: Solve for x
   x = 7,180,303.74/2,462.68
6. Step 6: Final answer
   x = 2,915.65