Finding the Fourth Proportional to 35,686.53, 53,540.33 and 10,730.43

Step by Step Solution

1. Step 1: Write the proportion equation
   35,686.53 : 53,540.33 = 10,730.43 : x
2. Step 2: Convert to fraction form
   35,686.53/53,540.33 = 10,730.43/x
3. Step 3: Cross multiply
   35,686.53x = 53,540.33 × 10,730.43
4. Step 4: Simplify right side
   35,686.53x = 574,510,709.59
5. Step 5: Solve for x
   x = 574,510,709.59/35,686.53
6. Step 6: Final answer
   x = 16,098.81