Finding the Fourth Proportional to 1,690.32, 2,332.71 and 944.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690.32 : 2,332.71 = 944.37 : x
2. Step 2: Convert to fraction form
   1,690.32/2,332.71 = 944.37/x
3. Step 3: Cross multiply
   1,690.32x = 2,332.71 × 944.37
4. Step 4: Simplify right side
   1,690.32x = 2,202,941.34
5. Step 5: Solve for x
   x = 2,202,941.34/1,690.32
6. Step 6: Final answer
   x = 1,303.27