Finding the Fourth Proportional to 18,258,434, 25,197,427.59 and 10,109,672

Step by Step Solution

1. Step 1: Write the proportion equation
   18,258,434 : 25,197,427.59 = 10,109,672 : x
2. Step 2: Convert to fraction form
   18,258,434/25,197,427.59 = 10,109,672/x
3. Step 3: Cross multiply
   18,258,434x = 25,197,427.59 × 10,109,672
4. Step 4: Simplify right side
   18,258,434x = 254,737,728,178,650.47
5. Step 5: Solve for x
   x = 254,737,728,178,650.47/18,258,434
6. Step 6: Final answer
   x = 13,951,784.05