Finding the Fourth Proportional to 9,688.17, 13,391.01 and 7,054.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,688.17 : 13,391.01 = 7,054.05 : x
2. Step 2: Convert to fraction form
   9,688.17/13,391.01 = 7,054.05/x
3. Step 3: Cross multiply
   9,688.17x = 13,391.01 × 7,054.05
4. Step 4: Simplify right side
   9,688.17x = 94,460,854.09
5. Step 5: Solve for x
   x = 94,460,854.09/9,688.17
6. Step 6: Final answer
   x = 9,750.12