Finding the Fourth Proportional to 1,395.41, 1,925.66 and 765.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.41 : 1,925.66 = 765.94 : x
2. Step 2: Convert to fraction form
   1,395.41/1,925.66 = 765.94/x
3. Step 3: Cross multiply
   1,395.41x = 1,925.66 × 765.94
4. Step 4: Simplify right side
   1,395.41x = 1,474,931.38
5. Step 5: Solve for x
   x = 1,474,931.38/1,395.41
6. Step 6: Final answer
   x = 1,056.99