Finding the Fourth Proportional to 25,931.60, 35,789.00 and 14,603.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,931.60 : 35,789.00 = 14,603.31 : x
2. Step 2: Convert to fraction form
   25,931.60/35,789.00 = 14,603.31/x
3. Step 3: Cross multiply
   25,931.60x = 35,789.00 × 14,603.31
4. Step 4: Simplify right side
   25,931.60x = 522,637,788.57
5. Step 5: Solve for x
   x = 522,637,788.57/25,931.60
6. Step 6: Final answer
   x = 20,154.48