Finding the Fourth Proportional to 1,396.42, 1,927.32 and 924.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396.42 : 1,927.32 = 924.34 : x
2. Step 2: Convert to fraction form
   1,396.42/1,927.32 = 924.34/x
3. Step 3: Cross multiply
   1,396.42x = 1,927.32 × 924.34
4. Step 4: Simplify right side
   1,396.42x = 1,781,498.97
5. Step 5: Solve for x
   x = 1,781,498.97/1,396.42
6. Step 6: Final answer
   x = 1,275.76