Finding the Fourth Proportional to 3,772.72, 5,659.37 and 999.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,772.72 : 5,659.37 = 999.32 : x
2. Step 2: Convert to fraction form
   3,772.72/5,659.37 = 999.32/x
3. Step 3: Cross multiply
   3,772.72x = 5,659.37 × 999.32
4. Step 4: Simplify right side
   3,772.72x = 5,655,516.63
5. Step 5: Solve for x
   x = 5,655,516.63/3,772.72
6. Step 6: Final answer
   x = 1,499.06