Finding the Fourth Proportional to 52,796.72, 79,194.41 and 12,816.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,796.72 : 79,194.41 = 12,816.03 : x
2. Step 2: Convert to fraction form
   52,796.72/79,194.41 = 12,816.03/x
3. Step 3: Cross multiply
   52,796.72x = 79,194.41 × 12,816.03
4. Step 4: Simplify right side
   52,796.72x = 1,014,957,870.31
5. Step 5: Solve for x
   x = 1,014,957,870.31/52,796.72
6. Step 6: Final answer
   x = 19,223.88