Finding the Fourth Proportional to 10,994.55, 15,166.89 and 9,782.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,994.55 : 15,166.89 = 9,782.52 : x
2. Step 2: Convert to fraction form
   10,994.55/15,166.89 = 9,782.52/x
3. Step 3: Cross multiply
   10,994.55x = 15,166.89 × 9,782.52
4. Step 4: Simplify right side
   10,994.55x = 148,370,404.76
5. Step 5: Solve for x
   x = 148,370,404.76/10,994.55
6. Step 6: Final answer
   x = 13,494.90