Finding the Fourth Proportional to 1,606.71, 2,216.73 and 943.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.71 : 2,216.73 = 943.32 : x
2. Step 2: Convert to fraction form
   1,606.71/2,216.73 = 943.32/x
3. Step 3: Cross multiply
   1,606.71x = 2,216.73 × 943.32
4. Step 4: Simplify right side
   1,606.71x = 2,091,085.74
5. Step 5: Solve for x
   x = 2,091,085.74/1,606.71
6. Step 6: Final answer
   x = 1,301.47