Finding the Fourth Proportional to 2,703.72, 4,051.86 and 1,406.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,703.72 : 4,051.86 = 1,406.10 : x
2. Step 2: Convert to fraction form
   2,703.72/4,051.86 = 1,406.10/x
3. Step 3: Cross multiply
   2,703.72x = 4,051.86 × 1,406.10
4. Step 4: Simplify right side
   2,703.72x = 5,697,320.35
5. Step 5: Solve for x
   x = 5,697,320.35/2,703.72
6. Step 6: Final answer
   x = 2,107.22