Finding the Fourth Proportional to 25,443.32, 35,107.24 and 15,365

Step by Step Solution

1. Step 1: Write the proportion equation
   25,443.32 : 35,107.24 = 15,365 : x
2. Step 2: Convert to fraction form
   25,443.32/35,107.24 = 15,365/x
3. Step 3: Cross multiply
   25,443.32x = 35,107.24 × 15,365
4. Step 4: Simplify right side
   25,443.32x = 539,422,742.60
5. Step 5: Solve for x
   x = 539,422,742.60/25,443.32
6. Step 6: Final answer
   x = 21,200.96