Finding the Fourth Proportional to 52,934.18, 79,399.38 and 13,490.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,934.18 : 79,399.38 = 13,490.96 : x
2. Step 2: Convert to fraction form
   52,934.18/79,399.38 = 13,490.96/x
3. Step 3: Cross multiply
   52,934.18x = 79,399.38 × 13,490.96
4. Step 4: Simplify right side
   52,934.18x = 1,071,173,859.60
5. Step 5: Solve for x
   x = 1,071,173,859.60/52,934.18
6. Step 6: Final answer
   x = 20,235.96