Finding the Fourth Proportional to 5,017.86, 7,522.47 and 2,829.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,017.86 : 7,522.47 = 2,829.78 : x
2. Step 2: Convert to fraction form
   5,017.86/7,522.47 = 2,829.78/x
3. Step 3: Cross multiply
   5,017.86x = 7,522.47 × 2,829.78
4. Step 4: Simplify right side
   5,017.86x = 21,286,935.16
5. Step 5: Solve for x
   x = 21,286,935.16/5,017.86
6. Step 6: Final answer
   x = 4,242.23