Finding the Fourth Proportional to 25,238.16, 37,785.96 and 13,365

Step by Step Solution

1. Step 1: Write the proportion equation
   25,238.16 : 37,785.96 = 13,365 : x
2. Step 2: Convert to fraction form
   25,238.16/37,785.96 = 13,365/x
3. Step 3: Cross multiply
   25,238.16x = 37,785.96 × 13,365
4. Step 4: Simplify right side
   25,238.16x = 505,009,355.40
5. Step 5: Solve for x
   x = 505,009,355.40/25,238.16
6. Step 6: Final answer
   x = 20,009.75