Finding the Fourth Proportional to 35,662.07, 53,493.71 and 13,485.95

Step by Step Solution

1. Step 1: Write the proportion equation
   35,662.07 : 53,493.71 = 13,485.95 : x
2. Step 2: Convert to fraction form
   35,662.07/53,493.71 = 13,485.95/x
3. Step 3: Cross multiply
   35,662.07x = 53,493.71 × 13,485.95
4. Step 4: Simplify right side
   35,662.07x = 721,413,498.37
5. Step 5: Solve for x
   x = 721,413,498.37/35,662.07
6. Step 6: Final answer
   x = 20,229.15