Finding the Fourth Proportional to 1,395.30, 1,925.52 and 774.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.30 : 1,925.52 = 774.30 : x
2. Step 2: Convert to fraction form
   1,395.30/1,925.52 = 774.30/x
3. Step 3: Cross multiply
   1,395.30x = 1,925.52 × 774.30
4. Step 4: Simplify right side
   1,395.30x = 1,490,930.14
5. Step 5: Solve for x
   x = 1,490,930.14/1,395.30
6. Step 6: Final answer
   x = 1,068.54