Finding the Fourth Proportional to 52,846.90, 79,267.59 and 13,404.35

Step by Step Solution

1. Step 1: Write the proportion equation
   52,846.90 : 79,267.59 = 13,404.35 : x
2. Step 2: Convert to fraction form
   52,846.90/79,267.59 = 13,404.35/x
3. Step 3: Cross multiply
   52,846.90x = 79,267.59 × 13,404.35
4. Step 4: Simplify right side
   52,846.90x = 1,062,530,520.02
5. Step 5: Solve for x
   x = 1,062,530,520.02/52,846.90
6. Step 6: Final answer
   x = 20,105.82