Finding the Fourth Proportional to 1,764.79, 2,648.89 and 943.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.79 : 2,648.89 = 943.63 : x
2. Step 2: Convert to fraction form
   1,764.79/2,648.89 = 943.63/x
3. Step 3: Cross multiply
   1,764.79x = 2,648.89 × 943.63
4. Step 4: Simplify right side
   1,764.79x = 2,499,572.07
5. Step 5: Solve for x
   x = 2,499,572.07/1,764.79
6. Step 6: Final answer
   x = 1,416.36