Finding the Fourth Proportional to 2,334.40, 3,498.72 and 1,407.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,334.40 : 3,498.72 = 1,407.04 : x
2. Step 2: Convert to fraction form
   2,334.40/3,498.72 = 1,407.04/x
3. Step 3: Cross multiply
   2,334.40x = 3,498.72 × 1,407.04
4. Step 4: Simplify right side
   2,334.40x = 4,922,838.99
5. Step 5: Solve for x
   x = 4,922,838.99/2,334.40
6. Step 6: Final answer
   x = 2,108.82