Finding the Fourth Proportional to 784.17, 1,085.27 and 674.01

Step by Step Solution

1. Step 1: Write the proportion equation
   784.17 : 1,085.27 = 674.01 : x
2. Step 2: Convert to fraction form
   784.17/1,085.27 = 674.01/x
3. Step 3: Cross multiply
   784.17x = 1,085.27 × 674.01
4. Step 4: Simplify right side
   784.17x = 731,479.46
5. Step 5: Solve for x
   x = 731,479.46/784.17
6. Step 6: Final answer
   x = 932.81