Finding the Fourth Proportional to 35,483.37, 53,196.18 and 13,284.30

Step by Step Solution

1. Step 1: Write the proportion equation
   35,483.37 : 53,196.18 = 13,284.30 : x
2. Step 2: Convert to fraction form
   35,483.37/53,196.18 = 13,284.30/x
3. Step 3: Cross multiply
   35,483.37x = 53,196.18 × 13,284.30
4. Step 4: Simplify right side
   35,483.37x = 706,674,013.97
5. Step 5: Solve for x
   x = 706,674,013.97/35,483.37
6. Step 6: Final answer
   x = 19,915.64