Finding the Fourth Proportional to 52,514.52, 78,771.61 and 13,071.63

Step by Step Solution

1. Step 1: Write the proportion equation
   52,514.52 : 78,771.61 = 13,071.63 : x
2. Step 2: Convert to fraction form
   52,514.52/78,771.61 = 13,071.63/x
3. Step 3: Cross multiply
   52,514.52x = 78,771.61 × 13,071.63
4. Step 4: Simplify right side
   52,514.52x = 1,029,673,340.42
5. Step 5: Solve for x
   x = 1,029,673,340.42/52,514.52
6. Step 6: Final answer
   x = 19,607.40