Finding the Fourth Proportional to 35,968.80, 53,957.12 and 13,801

Step by Step Solution

1. Step 1: Write the proportion equation
   35,968.80 : 53,957.12 = 13,801 : x
2. Step 2: Convert to fraction form
   35,968.80/53,957.12 = 13,801/x
3. Step 3: Cross multiply
   35,968.80x = 53,957.12 × 13,801
4. Step 4: Simplify right side
   35,968.80x = 744,662,213.12
5. Step 5: Solve for x
   x = 744,662,213.12/35,968.80
6. Step 6: Final answer
   x = 20,703.00