Finding the Fourth Proportional to 42,481,320.82, 63,721,998.82 and 19,110,766

Step by Step Solution

1. Step 1: Write the proportion equation
   42,481,320.82 : 63,721,998.82 = 19,110,766 : x
2. Step 2: Convert to fraction form
   42,481,320.82/63,721,998.82 = 19,110,766/x
3. Step 3: Cross multiply
   42,481,320.82x = 63,721,998.82 × 19,110,766
4. Step 4: Simplify right side
   42,481,320.82x = 1,217,776,208,501,296.25
5. Step 5: Solve for x
   x = 1,217,776,208,501,296.25/42,481,320.82
6. Step 6: Final answer
   x = 28,666,156.91