Finding the Fourth Proportional to 25,826,601.78, 35,643,227.88 and 19,288,881.03

Step by Step Solution

1. Step 1: Write the proportion equation
   25,826,601.78 : 35,643,227.88 = 19,288,881.03 : x
2. Step 2: Convert to fraction form
   25,826,601.78/35,643,227.88 = 19,288,881.03/x
3. Step 3: Cross multiply
   25,826,601.78x = 35,643,227.88 × 19,288,881.03
4. Step 4: Simplify right side
   25,826,601.78x = 687,517,982,102,499.25
5. Step 5: Solve for x
   x = 687,517,982,102,499.25/25,826,601.78
6. Step 6: Final answer
   x = 26,620,535.99