Finding the Fourth Proportional to 9,317.50, 12,858.42 and 5,126.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,317.50 : 12,858.42 = 5,126.02 : x
2. Step 2: Convert to fraction form
   9,317.50/12,858.42 = 5,126.02/x
3. Step 3: Cross multiply
   9,317.50x = 12,858.42 × 5,126.02
4. Step 4: Simplify right side
   9,317.50x = 65,912,518.09
5. Step 5: Solve for x
   x = 65,912,518.09/9,317.50
6. Step 6: Final answer
   x = 7,074.06