Finding the Fourth Proportional to 52,719.42, 79,073.30 and 13,276.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,719.42 : 79,073.30 = 13,276.52 : x
2. Step 2: Convert to fraction form
   52,719.42/79,073.30 = 13,276.52/x
3. Step 3: Cross multiply
   52,719.42x = 79,073.30 × 13,276.52
4. Step 4: Simplify right side
   52,719.42x = 1,049,818,248.92
5. Step 5: Solve for x
   x = 1,049,818,248.92/52,719.42
6. Step 6: Final answer
   x = 19,913.31