Finding the Fourth Proportional to 22,486,437.69, 31,031,294.46 and 12,173,160.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,486,437.69 : 31,031,294.46 = 12,173,160.78 : x
2. Step 2: Convert to fraction form
   22,486,437.69/31,031,294.46 = 12,173,160.78/x
3. Step 3: Cross multiply
   22,486,437.69x = 31,031,294.46 × 12,173,160.78
4. Step 4: Simplify right side
   22,486,437.69x = 377,748,936,627,453.94
5. Step 5: Solve for x
   x = 377,748,936,627,453.94/22,486,437.69
6. Step 6: Final answer
   x = 16,798,967.53