Finding the Fourth Proportional to 1,532.02, 2,114.40 and 934.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,532.02 : 2,114.40 = 934.78 : x
2. Step 2: Convert to fraction form
   1,532.02/2,114.40 = 934.78/x
3. Step 3: Cross multiply
   1,532.02x = 2,114.40 × 934.78
4. Step 4: Simplify right side
   1,532.02x = 1,976,498.83
5. Step 5: Solve for x
   x = 1,976,498.83/1,532.02
6. Step 6: Final answer
   x = 1,290.13