Finding the Fourth Proportional to 28,270.56, 42,395.04 and 13,468.16

Step by Step Solution

1. Step 1: Write the proportion equation
   28,270.56 : 42,395.04 = 13,468.16 : x
2. Step 2: Convert to fraction form
   28,270.56/42,395.04 = 13,468.16/x
3. Step 3: Cross multiply
   28,270.56x = 42,395.04 × 13,468.16
4. Step 4: Simplify right side
   28,270.56x = 570,983,181.93
5. Step 5: Solve for x
   x = 570,983,181.93/28,270.56
6. Step 6: Final answer
   x = 20,197.09