Finding the Fourth Proportional to 35,940.62, 53,898.51 and 13,760.30

Step by Step Solution

1. Step 1: Write the proportion equation
   35,940.62 : 53,898.51 = 13,760.30 : x
2. Step 2: Convert to fraction form
   35,940.62/53,898.51 = 13,760.30/x
3. Step 3: Cross multiply
   35,940.62x = 53,898.51 × 13,760.30
4. Step 4: Simplify right side
   35,940.62x = 741,659,667.15
5. Step 5: Solve for x
   x = 741,659,667.15/35,940.62
6. Step 6: Final answer
   x = 20,635.69