Finding the Fourth Proportional to 21,796.08, 30,070.59 and 13,295.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,796.08 : 30,070.59 = 13,295.37 : x
2. Step 2: Convert to fraction form
   21,796.08/30,070.59 = 13,295.37/x
3. Step 3: Cross multiply
   21,796.08x = 30,070.59 × 13,295.37
4. Step 4: Simplify right side
   21,796.08x = 399,799,620.17
5. Step 5: Solve for x
   x = 399,799,620.17/21,796.08
6. Step 6: Final answer
   x = 18,342.73