Finding the Fourth Proportional to 25,435.62, 35,076.15 and 19,401.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,435.62 : 35,076.15 = 19,401.30 : x
2. Step 2: Convert to fraction form
   25,435.62/35,076.15 = 19,401.30/x
3. Step 3: Cross multiply
   25,435.62x = 35,076.15 × 19,401.30
4. Step 4: Simplify right side
   25,435.62x = 680,522,909.00
5. Step 5: Solve for x
   x = 680,522,909.00/25,435.62
6. Step 6: Final answer
   x = 26,754.72