Finding the Fourth Proportional to 4,005.27, 5,527.58 and 2,947.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,005.27 : 5,527.58 = 2,947.88 : x
2. Step 2: Convert to fraction form
   4,005.27/5,527.58 = 2,947.88/x
3. Step 3: Cross multiply
   4,005.27x = 5,527.58 × 2,947.88
4. Step 4: Simplify right side
   4,005.27x = 16,294,663.72
5. Step 5: Solve for x
   x = 16,294,663.72/4,005.27
6. Step 6: Final answer
   x = 4,068.31