Finding the Fourth Proportional to 10,994.52, 15,166.86 and 6,954.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,994.52 : 15,166.86 = 6,954.55 : x
2. Step 2: Convert to fraction form
   10,994.52/15,166.86 = 6,954.55/x
3. Step 3: Cross multiply
   10,994.52x = 15,166.86 × 6,954.55
4. Step 4: Simplify right side
   10,994.52x = 105,478,648.30
5. Step 5: Solve for x
   x = 105,478,648.30/10,994.52
6. Step 6: Final answer
   x = 9,593.75