Finding the Fourth Proportional to 22,502,557.58, 31,053,678.53 and 12,189,280.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,502,557.58 : 31,053,678.53 = 12,189,280.59 : x
2. Step 2: Convert to fraction form
   22,502,557.58/31,053,678.53 = 12,189,280.59/x
3. Step 3: Cross multiply
   22,502,557.58x = 31,053,678.53 × 12,189,280.59
4. Step 4: Simplify right side
   22,502,557.58x = 378,522,000,892,882.31
5. Step 5: Solve for x
   x = 378,522,000,892,882.31/22,502,557.58
6. Step 6: Final answer
   x = 16,821,287.96