Finding the Fourth Proportional to 10,021.98, 15,034.72 and 4,475.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021.98 : 15,034.72 = 4,475.22 : x
2. Step 2: Convert to fraction form
   10,021.98/15,034.72 = 4,475.22/x
3. Step 3: Cross multiply
   10,021.98x = 15,034.72 × 4,475.22
4. Step 4: Simplify right side
   10,021.98x = 67,283,679.64
5. Step 5: Solve for x
   x = 67,283,679.64/10,021.98
6. Step 6: Final answer
   x = 6,713.61