Finding the Fourth Proportional to 12,728,250.83, 19,067,181.89 and 11,132,615.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,728,250.83 : 19,067,181.89 = 11,132,615.63 : x
2. Step 2: Convert to fraction form
   12,728,250.83/19,067,181.89 = 11,132,615.63/x
3. Step 3: Cross multiply
   12,728,250.83x = 19,067,181.89 × 11,132,615.63
4. Step 4: Simplify right side
   12,728,250.83x = 212,267,607,073,003.91
5. Step 5: Solve for x
   x = 212,267,607,073,003.91/12,728,250.83
6. Step 6: Final answer
   x = 16,676,887.49