Finding the Fourth Proportional to 7,372.53, 10,177.79 and 5,776.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,372.53 : 10,177.79 = 5,776.47 : x
2. Step 2: Convert to fraction form
   7,372.53/10,177.79 = 5,776.47/x
3. Step 3: Cross multiply
   7,372.53x = 10,177.79 × 5,776.47
4. Step 4: Simplify right side
   7,372.53x = 58,791,669.72
5. Step 5: Solve for x
   x = 58,791,669.72/7,372.53
6. Step 6: Final answer
   x = 7,974.42