Finding the Fourth Proportional to 5,072.78, 6,973.55 and 4,362.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,072.78 : 6,973.55 = 4,362.02 : x
2. Step 2: Convert to fraction form
   5,072.78/6,973.55 = 4,362.02/x
3. Step 3: Cross multiply
   5,072.78x = 6,973.55 × 4,362.02
4. Step 4: Simplify right side
   5,072.78x = 30,418,764.57
5. Step 5: Solve for x
   x = 30,418,764.57/5,072.78
6. Step 6: Final answer
   x = 5,996.47