Finding the Fourth Proportional to 7,151.52, 10,725.98 and 2,990.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,151.52 : 10,725.98 = 2,990.42 : x
2. Step 2: Convert to fraction form
   7,151.52/10,725.98 = 2,990.42/x
3. Step 3: Cross multiply
   7,151.52x = 10,725.98 × 2,990.42
4. Step 4: Simplify right side
   7,151.52x = 32,075,116.53
5. Step 5: Solve for x
   x = 32,075,116.53/7,151.52
6. Step 6: Final answer
   x = 4,485.08