Finding the Fourth Proportional to 1,606.34, 2,216.78 and 942.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.34 : 2,216.78 = 942.96 : x
2. Step 2: Convert to fraction form
   1,606.34/2,216.78 = 942.96/x
3. Step 3: Cross multiply
   1,606.34x = 2,216.78 × 942.96
4. Step 4: Simplify right side
   1,606.34x = 2,090,334.87
5. Step 5: Solve for x
   x = 2,090,334.87/1,606.34
6. Step 6: Final answer
   x = 1,301.30