Finding the Fourth Proportional to 8,987,233.44, 12,399,354 and 5,117,016.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,987,233.44 : 12,399,354 = 5,117,016.72 : x
2. Step 2: Convert to fraction form
   8,987,233.44/12,399,354 = 5,117,016.72/x
3. Step 3: Cross multiply
   8,987,233.44x = 12,399,354 × 5,117,016.72
4. Step 4: Simplify right side
   8,987,233.44x = 63,447,701,735,198.88
5. Step 5: Solve for x
   x = 63,447,701,735,198.88/8,987,233.44
6. Step 6: Final answer
   x = 7,059,758.95