Finding the Fourth Proportional to 35,971.72, 53,949.18 and 13,795.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,971.72 : 53,949.18 = 13,795.72 : x
2. Step 2: Convert to fraction form
   35,971.72/53,949.18 = 13,795.72/x
3. Step 3: Cross multiply
   35,971.72x = 53,949.18 × 13,795.72
4. Step 4: Simplify right side
   35,971.72x = 744,267,781.51
5. Step 5: Solve for x
   x = 744,267,781.51/35,971.72
6. Step 6: Final answer
   x = 20,690.36