Finding the Fourth Proportional to 21,888,813.24, 30,205,263.69 and 12,098,673.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,888,813.24 : 30,205,263.69 = 12,098,673.59 : x
2. Step 2: Convert to fraction form
   21,888,813.24/30,205,263.69 = 12,098,673.59/x
3. Step 3: Cross multiply
   21,888,813.24x = 30,205,263.69 × 12,098,673.59
4. Step 4: Simplify right side
   21,888,813.24x = 365,443,625,934,162.69
5. Step 5: Solve for x
   x = 365,443,625,934,162.69/21,888,813.24
6. Step 6: Final answer
   x = 16,695,451.78