Finding the Fourth Proportional to 21,936,897.06, 30,272,545.73 and 12,147,131.06

Step by Step Solution

1. Step 1: Write the proportion equation
   21,936,897.06 : 30,272,545.73 = 12,147,131.06 : x
2. Step 2: Convert to fraction form
   21,936,897.06/30,272,545.73 = 12,147,131.06/x
3. Step 3: Cross multiply
   21,936,897.06x = 30,272,545.73 × 12,147,131.06
4. Step 4: Simplify right side
   21,936,897.06x = 367,724,580,502,153.38
5. Step 5: Solve for x
   x = 367,724,580,502,153.38/21,936,897.06
6. Step 6: Final answer
   x = 16,762,834.76