Finding the Fourth Proportional to 40,185, 60,265.89 and 13,528.08

Step by Step Solution

1. Step 1: Write the proportion equation
   40,185 : 60,265.89 = 13,528.08 : x
2. Step 2: Convert to fraction form
   40,185/60,265.89 = 13,528.08/x
3. Step 3: Cross multiply
   40,185x = 60,265.89 × 13,528.08
4. Step 4: Simplify right side
   40,185x = 815,281,781.19
5. Step 5: Solve for x
   x = 815,281,781.19/40,185
6. Step 6: Final answer
   x = 20,288.21