Finding the Fourth Proportional to 22,502,510.78, 31,053,614.00 and 12,189,233.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,502,510.78 : 31,053,614.00 = 12,189,233.88 : x
2. Step 2: Convert to fraction form
   22,502,510.78/31,053,614.00 = 12,189,233.88/x
3. Step 3: Cross multiply
   22,502,510.78x = 31,053,614.00 × 12,189,233.88
4. Step 4: Simplify right side
   22,502,510.78x = 378,519,763,804,296.19
5. Step 5: Solve for x
   x = 378,519,763,804,296.19/22,502,510.78
6. Step 6: Final answer
   x = 16,821,223.53