Finding the Fourth Proportional to 11,723.57, 17,585.28 and 2,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,723.57 : 17,585.28 = 2,958.50 : x
2. Step 2: Convert to fraction form
   11,723.57/17,585.28 = 2,958.50/x
3. Step 3: Cross multiply
   11,723.57x = 17,585.28 × 2,958.50
4. Step 4: Simplify right side
   11,723.57x = 52,025,970.35
5. Step 5: Solve for x
   x = 52,025,970.35/11,723.57
6. Step 6: Final answer
   x = 4,437.72