Finding the Fourth Proportional to 1,694.02, 2,337.22 and 985.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,694.02 : 2,337.22 = 985.72 : x
2. Step 2: Convert to fraction form
   1,694.02/2,337.22 = 985.72/x
3. Step 3: Cross multiply
   1,694.02x = 2,337.22 × 985.72
4. Step 4: Simplify right side
   1,694.02x = 2,303,844.50
5. Step 5: Solve for x
   x = 2,303,844.50/1,694.02
6. Step 6: Final answer
   x = 1,359.99