Finding the Fourth Proportional to 5,143.32, 7,051.46 and 5,049.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143.32 : 7,051.46 = 5,049.90 : x
2. Step 2: Convert to fraction form
   5,143.32/7,051.46 = 5,049.90/x
3. Step 3: Cross multiply
   5,143.32x = 7,051.46 × 5,049.90
4. Step 4: Simplify right side
   5,143.32x = 35,609,142.60
5. Step 5: Solve for x
   x = 35,609,142.60/5,143.32
6. Step 6: Final answer
   x = 6,923.38