Finding the Fourth Proportional to 52,899.42, 79,347.90 and 13,456.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,899.42 : 79,347.90 = 13,456.56 : x
2. Step 2: Convert to fraction form
   52,899.42/79,347.90 = 13,456.56/x
3. Step 3: Cross multiply
   52,899.42x = 79,347.90 × 13,456.56
4. Step 4: Simplify right side
   52,899.42x = 1,067,749,777.22
5. Step 5: Solve for x
   x = 1,067,749,777.22/52,899.42
6. Step 6: Final answer
   x = 20,184.53