Finding the Fourth Proportional to 139,930.47, 193,108.59 and 79,500.03

Step by Step Solution

1. Step 1: Write the proportion equation
   139,930.47 : 193,108.59 = 79,500.03 : x
2. Step 2: Convert to fraction form
   139,930.47/193,108.59 = 79,500.03/x
3. Step 3: Cross multiply
   139,930.47x = 193,108.59 × 79,500.03
4. Step 4: Simplify right side
   139,930.47x = 15,352,138,698.26
5. Step 5: Solve for x
   x = 15,352,138,698.26/139,930.47
6. Step 6: Final answer
   x = 109,712.62