Finding the Fourth Proportional to 1,354.01, 1,867.05 and 934.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.01 : 1,867.05 = 934.56 : x
2. Step 2: Convert to fraction form
   1,354.01/1,867.05 = 934.56/x
3. Step 3: Cross multiply
   1,354.01x = 1,867.05 × 934.56
4. Step 4: Simplify right side
   1,354.01x = 1,744,870.25
5. Step 5: Solve for x
   x = 1,744,870.25/1,354.01
6. Step 6: Final answer
   x = 1,288.67