Finding the Fourth Proportional to 941.72, 1,300.20 and 774.08

Step by Step Solution

1. Step 1: Write the proportion equation
   941.72 : 1,300.20 = 774.08 : x
2. Step 2: Convert to fraction form
   941.72/1,300.20 = 774.08/x
3. Step 3: Cross multiply
   941.72x = 1,300.20 × 774.08
4. Step 4: Simplify right side
   941.72x = 1,006,458.82
5. Step 5: Solve for x
   x = 1,006,458.82/941.72
6. Step 6: Final answer
   x = 1,068.75