Finding the Fourth Proportional to 22,784,840.53, 31,443,275.99 and 12,995,780.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,784,840.53 : 31,443,275.99 = 12,995,780.54 : x
2. Step 2: Convert to fraction form
   22,784,840.53/31,443,275.99 = 12,995,780.54/x
3. Step 3: Cross multiply
   22,784,840.53x = 31,443,275.99 × 12,995,780.54
4. Step 4: Simplify right side
   22,784,840.53x = 408,629,914,099,964.31
5. Step 5: Solve for x
   x = 408,629,914,099,964.31/22,784,840.53
6. Step 6: Final answer
   x = 17,934,288.97