Finding the Fourth Proportional to 35,458.58, 53,196.98 and 13,272.27

Step by Step Solution

1. Step 1: Write the proportion equation
   35,458.58 : 53,196.98 = 13,272.27 : x
2. Step 2: Convert to fraction form
   35,458.58/53,196.98 = 13,272.27/x
3. Step 3: Cross multiply
   35,458.58x = 53,196.98 × 13,272.27
4. Step 4: Simplify right side
   35,458.58x = 706,044,814.74
5. Step 5: Solve for x
   x = 706,044,814.74/35,458.58
6. Step 6: Final answer
   x = 19,911.82