Finding the Fourth Proportional to 10,892,028.72, 15,030,872.82 and 5,997,146.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892,028.72 : 15,030,872.82 = 5,997,146.88 : x
2. Step 2: Convert to fraction form
   10,892,028.72/15,030,872.82 = 5,997,146.88/x
3. Step 3: Cross multiply
   10,892,028.72x = 15,030,872.82 × 5,997,146.88
4. Step 4: Simplify right side
   10,892,028.72x = 90,142,352,036,139.80
5. Step 5: Solve for x
   x = 90,142,352,036,139.80/10,892,028.72
6. Step 6: Final answer
   x = 8,275,992.87