Finding the Fourth Proportional to 35,974.89, 53,931.56 and 13,804.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,974.89 : 53,931.56 = 13,804.18 : x
2. Step 2: Convert to fraction form
   35,974.89/53,931.56 = 13,804.18/x
3. Step 3: Cross multiply
   35,974.89x = 53,931.56 × 13,804.18
4. Step 4: Simplify right side
   35,974.89x = 744,480,758.07
5. Step 5: Solve for x
   x = 744,480,758.07/35,974.89
6. Step 6: Final answer
   x = 20,694.46