Finding the Fourth Proportional to 25,445.34, 35,142 and 19,846.62

Step by Step Solution

1. Step 1: Write the proportion equation
   25,445.34 : 35,142 = 19,846.62 : x
2. Step 2: Convert to fraction form
   25,445.34/35,142 = 19,846.62/x
3. Step 3: Cross multiply
   25,445.34x = 35,142 × 19,846.62
4. Step 4: Simplify right side
   25,445.34x = 697,449,920.04
5. Step 5: Solve for x
   x = 697,449,920.04/25,445.34
6. Step 6: Final answer
   x = 27,409.73