Finding the Fourth Proportional to 3,992.42, 5,510.22 and 2,947.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,992.42 : 5,510.22 = 2,947.52 : x
2. Step 2: Convert to fraction form
   3,992.42/5,510.22 = 2,947.52/x
3. Step 3: Cross multiply
   3,992.42x = 5,510.22 × 2,947.52
4. Step 4: Simplify right side
   3,992.42x = 16,241,483.65
5. Step 5: Solve for x
   x = 16,241,483.65/3,992.42
6. Step 6: Final answer
   x = 4,068.08