Finding the Fourth Proportional to 25,300.40, 34,914.29 and 13,970.37

Step by Step Solution

1. Step 1: Write the proportion equation
   25,300.40 : 34,914.29 = 13,970.37 : x
2. Step 2: Convert to fraction form
   25,300.40/34,914.29 = 13,970.37/x
3. Step 3: Cross multiply
   25,300.40x = 34,914.29 × 13,970.37
4. Step 4: Simplify right side
   25,300.40x = 487,765,689.25
5. Step 5: Solve for x
   x = 487,765,689.25/25,300.40
6. Step 6: Final answer
   x = 19,278.97