Finding the Fourth Proportional to 1,607.06, 2,216.82 and 943.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.06 : 2,216.82 = 943.79 : x
2. Step 2: Convert to fraction form
   1,607.06/2,216.82 = 943.79/x
3. Step 3: Cross multiply
   1,607.06x = 2,216.82 × 943.79
4. Step 4: Simplify right side
   1,607.06x = 2,092,212.55
5. Step 5: Solve for x
   x = 2,092,212.55/1,607.06
6. Step 6: Final answer
   x = 1,301.89