Finding the Fourth Proportional to 1,690.89, 2,333.42 and 944.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690.89 : 2,333.42 = 944.84 : x
2. Step 2: Convert to fraction form
   1,690.89/2,333.42 = 944.84/x
3. Step 3: Cross multiply
   1,690.89x = 2,333.42 × 944.84
4. Step 4: Simplify right side
   1,690.89x = 2,204,715.22
5. Step 5: Solve for x
   x = 2,204,715.22/1,690.89
6. Step 6: Final answer
   x = 1,303.88