Finding the Fourth Proportional to 25,378,863.97, 35,022,876.71 and 13,776,435.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,378,863.97 : 35,022,876.71 = 13,776,435.31 : x
2. Step 2: Convert to fraction form
   25,378,863.97/35,022,876.71 = 13,776,435.31/x
3. Step 3: Cross multiply
   25,378,863.97x = 35,022,876.71 × 13,776,435.31
4. Step 4: Simplify right side
   25,378,863.97x = 482,490,395,365,420.69
5. Step 5: Solve for x
   x = 482,490,395,365,420.69/25,378,863.97
6. Step 6: Final answer
   x = 19,011,504.85