Finding the Fourth Proportional to 2,068.34, 2,854.64 and 1,404.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.34 : 2,854.64 = 1,404.74 : x
2. Step 2: Convert to fraction form
   2,068.34/2,854.64 = 1,404.74/x
3. Step 3: Cross multiply
   2,068.34x = 2,854.64 × 1,404.74
4. Step 4: Simplify right side
   2,068.34x = 4,010,037.64
5. Step 5: Solve for x
   x = 4,010,037.64/2,068.34
6. Step 6: Final answer
   x = 1,938.78