Finding the Fourth Proportional to 22,882,891.57, 31,578,622.10 and 12,429,111.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,882,891.57 : 31,578,622.10 = 12,429,111.99 : x
2. Step 2: Convert to fraction form
   22,882,891.57/31,578,622.10 = 12,429,111.99/x
3. Step 3: Cross multiply
   22,882,891.57x = 31,578,622.10 × 12,429,111.99
4. Step 4: Simplify right side
   22,882,891.57x = 392,494,230,673,672.44
5. Step 5: Solve for x
   x = 392,494,230,673,672.44/22,882,891.57
6. Step 6: Final answer
   x = 17,152,300.42