Finding the Fourth Proportional to 2,663.96, 3,997.72 and 932.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.96 : 3,997.72 = 932.59 : x
2. Step 2: Convert to fraction form
   2,663.96/3,997.72 = 932.59/x
3. Step 3: Cross multiply
   2,663.96x = 3,997.72 × 932.59
4. Step 4: Simplify right side
   2,663.96x = 3,728,213.71
5. Step 5: Solve for x
   x = 3,728,213.71/2,663.96
6. Step 6: Final answer
   x = 1,399.50