Finding the Fourth Proportional to 1,764.72, 2,648.64 and 943.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.72 : 2,648.64 = 943.68 : x
2. Step 2: Convert to fraction form
   1,764.72/2,648.64 = 943.68/x
3. Step 3: Cross multiply
   1,764.72x = 2,648.64 × 943.68
4. Step 4: Simplify right side
   1,764.72x = 2,499,468.60
5. Step 5: Solve for x
   x = 2,499,468.60/1,764.72
6. Step 6: Final answer
   x = 1,416.35