Finding the Fourth Proportional to 9,314.86, 12,854.75 and 5,123.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,314.86 : 12,854.75 = 5,123.22 : x
2. Step 2: Convert to fraction form
   9,314.86/12,854.75 = 5,123.22/x
3. Step 3: Cross multiply
   9,314.86x = 12,854.75 × 5,123.22
4. Step 4: Simplify right side
   9,314.86x = 65,857,712.30
5. Step 5: Solve for x
   x = 65,857,712.30/9,314.86
6. Step 6: Final answer
   x = 7,070.18