Finding the Fourth Proportional to 22,209,356.82, 30,648,702.33 and 12,419,688.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,209,356.82 : 30,648,702.33 = 12,419,688.72 : x
2. Step 2: Convert to fraction form
   22,209,356.82/30,648,702.33 = 12,419,688.72/x
3. Step 3: Cross multiply
   22,209,356.82x = 30,648,702.33 × 12,419,688.72
4. Step 4: Simplify right side
   22,209,356.82x = 380,647,342,610,538.69
5. Step 5: Solve for x
   x = 380,647,342,610,538.69/22,209,356.82
6. Step 6: Final answer
   x = 17,139,052.95