Finding the Fourth Proportional to 25,189.94, 34,749.86 and 19,562.06

Step by Step Solution

1. Step 1: Write the proportion equation
   25,189.94 : 34,749.86 = 19,562.06 : x
2. Step 2: Convert to fraction form
   25,189.94/34,749.86 = 19,562.06/x
3. Step 3: Cross multiply
   25,189.94x = 34,749.86 × 19,562.06
4. Step 4: Simplify right side
   25,189.94x = 679,778,846.31
5. Step 5: Solve for x
   x = 679,778,846.31/25,189.94
6. Step 6: Final answer
   x = 26,986.12