Finding the Fourth Proportional to 1,733.81, 2,598.89 and 911.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,733.81 : 2,598.89 = 911.86 : x
2. Step 2: Convert to fraction form
   1,733.81/2,598.89 = 911.86/x
3. Step 3: Cross multiply
   1,733.81x = 2,598.89 × 911.86
4. Step 4: Simplify right side
   1,733.81x = 2,369,812.78
5. Step 5: Solve for x
   x = 2,369,812.78/1,733.81
6. Step 6: Final answer
   x = 1,366.83