Finding the Fourth Proportional to 1,908.16, 2,633.18 and 1,068.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.16 : 2,633.18 = 1,068.86 : x
2. Step 2: Convert to fraction form
   1,908.16/2,633.18 = 1,068.86/x
3. Step 3: Cross multiply
   1,908.16x = 2,633.18 × 1,068.86
4. Step 4: Simplify right side
   1,908.16x = 2,814,502.01
5. Step 5: Solve for x
   x = 2,814,502.01/1,908.16
6. Step 6: Final answer
   x = 1,474.98