Finding the Fourth Proportional to 9,317.34, 12,857.76 and 5,125.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,317.34 : 12,857.76 = 5,125.50 : x
2. Step 2: Convert to fraction form
   9,317.34/12,857.76 = 5,125.50/x
3. Step 3: Cross multiply
   9,317.34x = 12,857.76 × 5,125.50
4. Step 4: Simplify right side
   9,317.34x = 65,902,448.88
5. Step 5: Solve for x
   x = 65,902,448.88/9,317.34
6. Step 6: Final answer
   x = 7,073.10