Finding the Fourth Proportional to 9,301.34, 12,834.49 and 5,321.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,301.34 : 12,834.49 = 5,321.70 : x
2. Step 2: Convert to fraction form
   9,301.34/12,834.49 = 5,321.70/x
3. Step 3: Cross multiply
   9,301.34x = 12,834.49 × 5,321.70
4. Step 4: Simplify right side
   9,301.34x = 68,301,305.43
5. Step 5: Solve for x
   x = 68,301,305.43/9,301.34
6. Step 6: Final answer
   x = 7,343.17