Finding the Fourth Proportional to 12,739,789, 17,580,908.82 and 7,016,653

Step by Step Solution

1. Step 1: Write the proportion equation
   12,739,789 : 17,580,908.82 = 7,016,653 : x
2. Step 2: Convert to fraction form
   12,739,789/17,580,908.82 = 7,016,653/x
3. Step 3: Cross multiply
   12,739,789x = 17,580,908.82 × 7,016,653
4. Step 4: Simplify right side
   12,739,789x = 123,359,136,614,579.47
5. Step 5: Solve for x
   x = 123,359,136,614,579.47/12,739,789
6. Step 6: Final answer
   x = 9,682,981.14