Finding the Fourth Proportional to 1,951.62, 2,925.73 and 911.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,951.62 : 2,925.73 = 911.10 : x
2. Step 2: Convert to fraction form
   1,951.62/2,925.73 = 911.10/x
3. Step 3: Cross multiply
   1,951.62x = 2,925.73 × 911.10
4. Step 4: Simplify right side
   1,951.62x = 2,665,632.60
5. Step 5: Solve for x
   x = 2,665,632.60/1,951.62
6. Step 6: Final answer
   x = 1,365.86