Finding the Fourth Proportional to 52,562.52, 78,843.38 and 13,119.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,562.52 : 78,843.38 = 13,119.37 : x
2. Step 2: Convert to fraction form
   52,562.52/78,843.38 = 13,119.37/x
3. Step 3: Cross multiply
   52,562.52x = 78,843.38 × 13,119.37
4. Step 4: Simplify right side
   52,562.52x = 1,034,375,211.57
5. Step 5: Solve for x
   x = 1,034,375,211.57/52,562.52
6. Step 6: Final answer
   x = 19,678.95