Finding the Fourth Proportional to 9,994.55, 14,928.90 and 7,338.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,994.55 : 14,928.90 = 7,338.56 : x
2. Step 2: Convert to fraction form
   9,994.55/14,928.90 = 7,338.56/x
3. Step 3: Cross multiply
   9,994.55x = 14,928.90 × 7,338.56
4. Step 4: Simplify right side
   9,994.55x = 109,556,582.20
5. Step 5: Solve for x
   x = 109,556,582.20/9,994.55
6. Step 6: Final answer
   x = 10,961.63