Finding the Fourth Proportional to 22,784.32, 34,185.28 and 7,994.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,784.32 : 34,185.28 = 7,994.88 : x
2. Step 2: Convert to fraction form
   22,784.32/34,185.28 = 7,994.88/x
3. Step 3: Cross multiply
   22,784.32x = 34,185.28 × 7,994.88
4. Step 4: Simplify right side
   22,784.32x = 273,307,211.37
5. Step 5: Solve for x
   x = 273,307,211.37/22,784.32
6. Step 6: Final answer
   x = 11,995.41