Finding the Fourth Proportional to 9,314.89, 12,854.29 and 5,123.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,314.89 : 12,854.29 = 5,123.14 : x
2. Step 2: Convert to fraction form
   9,314.89/12,854.29 = 5,123.14/x
3. Step 3: Cross multiply
   9,314.89x = 12,854.29 × 5,123.14
4. Step 4: Simplify right side
   9,314.89x = 65,854,327.27
5. Step 5: Solve for x
   x = 65,854,327.27/9,314.89
6. Step 6: Final answer
   x = 7,069.79