Finding the Fourth Proportional to 9,987,638.72, 14,938,179.29 and 5,879,168.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,987,638.72 : 14,938,179.29 = 5,879,168.45 : x
2. Step 2: Convert to fraction form
   9,987,638.72/14,938,179.29 = 5,879,168.45/x
3. Step 3: Cross multiply
   9,987,638.72x = 14,938,179.29 × 5,879,168.45
4. Step 4: Simplify right side
   9,987,638.72x = 87,824,072,382,211.39
5. Step 5: Solve for x
   x = 87,824,072,382,211.39/9,987,638.72
6. Step 6: Final answer
   x = 8,793,276.85