Finding the Fourth Proportional to 139,884.37, 193,034.40 and 79,454.83

Step by Step Solution

1. Step 1: Write the proportion equation
   139,884.37 : 193,034.40 = 79,454.83 : x
2. Step 2: Convert to fraction form
   139,884.37/193,034.40 = 79,454.83/x
3. Step 3: Cross multiply
   139,884.37x = 193,034.40 × 79,454.83
4. Step 4: Simplify right side
   139,884.37x = 15,337,514,754.93
5. Step 5: Solve for x
   x = 15,337,514,754.93/139,884.37
6. Step 6: Final answer
   x = 109,644.24