Finding the Fourth Proportional to 22,138,058.28, 30,551,277.42 and 12,844,926.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,138,058.28 : 30,551,277.42 = 12,844,926.72 : x
2. Step 2: Convert to fraction form
   22,138,058.28/30,551,277.42 = 12,844,926.72/x
3. Step 3: Cross multiply
   22,138,058.28x = 30,551,277.42 × 12,844,926.72
4. Step 4: Simplify right side
   22,138,058.28x = 392,428,919,662,290.69
5. Step 5: Solve for x
   x = 392,428,919,662,290.69/22,138,058.28
6. Step 6: Final answer
   x = 17,726,438.10