Finding the Fourth Proportional to 1,662.09, 2,293.52 and 916.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.09 : 2,293.52 = 916.01 : x
2. Step 2: Convert to fraction form
   1,662.09/2,293.52 = 916.01/x
3. Step 3: Cross multiply
   1,662.09x = 2,293.52 × 916.01
4. Step 4: Simplify right side
   1,662.09x = 2,100,879.81
5. Step 5: Solve for x
   x = 2,100,879.81/1,662.09
6. Step 6: Final answer
   x = 1,264.00