Finding the Fourth Proportional to 9,938.29, 13,705.42 and 6,529.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.29 : 13,705.42 = 6,529.31 : x
2. Step 2: Convert to fraction form
   9,938.29/13,705.42 = 6,529.31/x
3. Step 3: Cross multiply
   9,938.29x = 13,705.42 × 6,529.31
4. Step 4: Simplify right side
   9,938.29x = 89,486,935.86
5. Step 5: Solve for x
   x = 89,486,935.86/9,938.29
6. Step 6: Final answer
   x = 9,004.26