Finding the Fourth Proportional to 25,300.74, 34,914.82 and 13,970.24

Step by Step Solution

1. Step 1: Write the proportion equation
   25,300.74 : 34,914.82 = 13,970.24 : x
2. Step 2: Convert to fraction form
   25,300.74/34,914.82 = 13,970.24/x
3. Step 3: Cross multiply
   25,300.74x = 34,914.82 × 13,970.24
4. Step 4: Simplify right side
   25,300.74x = 487,768,414.96
5. Step 5: Solve for x
   x = 487,768,414.96/25,300.74
6. Step 6: Final answer
   x = 19,278.82