Finding the Fourth Proportional to 10,019.98, 15,031.34 and 4,175.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.98 : 15,031.34 = 4,175.22 : x
2. Step 2: Convert to fraction form
   10,019.98/15,031.34 = 4,175.22/x
3. Step 3: Cross multiply
   10,019.98x = 15,031.34 × 4,175.22
4. Step 4: Simplify right side
   10,019.98x = 62,759,151.39
5. Step 5: Solve for x
   x = 62,759,151.39/10,019.98
6. Step 6: Final answer
   x = 6,263.40