Finding the Fourth Proportional to 11,928.72, 17,886.98 and 4,527.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,928.72 : 17,886.98 = 4,527.54 : x
2. Step 2: Convert to fraction form
   11,928.72/17,886.98 = 4,527.54/x
3. Step 3: Cross multiply
   11,928.72x = 17,886.98 × 4,527.54
4. Step 4: Simplify right side
   11,928.72x = 80,983,994.79
5. Step 5: Solve for x
   x = 80,983,994.79/11,928.72
6. Step 6: Final answer
   x = 6,788.99