Finding the Fourth Proportional to 1,402.80, 1,934.73 and 1,346.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.80 : 1,934.73 = 1,346.10 : x
2. Step 2: Convert to fraction form
   1,402.80/1,934.73 = 1,346.10/x
3. Step 3: Cross multiply
   1,402.80x = 1,934.73 × 1,346.10
4. Step 4: Simplify right side
   1,402.80x = 2,604,340.05
5. Step 5: Solve for x
   x = 2,604,340.05/1,402.80
6. Step 6: Final answer
   x = 1,856.53