Finding the Fourth Proportional to 2,068.52, 2,853.86 and 1,229

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.52 : 2,853.86 = 1,229 : x
2. Step 2: Convert to fraction form
   2,068.52/2,853.86 = 1,229/x
3. Step 3: Cross multiply
   2,068.52x = 2,853.86 × 1,229
4. Step 4: Simplify right side
   2,068.52x = 3,507,393.94
5. Step 5: Solve for x
   x = 3,507,393.94/2,068.52
6. Step 6: Final answer
   x = 1,695.61