Finding the Fourth Proportional to 25,300.15, 34,913.23 and 13,969.40

Step by Step Solution

1. Step 1: Write the proportion equation
   25,300.15 : 34,913.23 = 13,969.40 : x
2. Step 2: Convert to fraction form
   25,300.15/34,913.23 = 13,969.40/x
3. Step 3: Cross multiply
   25,300.15x = 34,913.23 × 13,969.40
4. Step 4: Simplify right side
   25,300.15x = 487,716,665.67
5. Step 5: Solve for x
   x = 487,716,665.67/25,300.15
6. Step 6: Final answer
   x = 19,277.23