Finding the Fourth Proportional to 7,152.52, 10,727.47 and 2,991.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,152.52 : 10,727.47 = 2,991.42 : x
2. Step 2: Convert to fraction form
   7,152.52/10,727.47 = 2,991.42/x
3. Step 3: Cross multiply
   7,152.52x = 10,727.47 × 2,991.42
4. Step 4: Simplify right side
   7,152.52x = 32,090,368.31
5. Step 5: Solve for x
   x = 32,090,368.31/7,152.52
6. Step 6: Final answer
   x = 4,486.58