Finding the Fourth Proportional to 139,932.03, 193,111.04 and 79,505.19

Step by Step Solution

1. Step 1: Write the proportion equation
   139,932.03 : 193,111.04 = 79,505.19 : x
2. Step 2: Convert to fraction form
   139,932.03/193,111.04 = 79,505.19/x
3. Step 3: Cross multiply
   139,932.03x = 193,111.04 × 79,505.19
4. Step 4: Simplify right side
   139,932.03x = 15,353,329,528.77
5. Step 5: Solve for x
   x = 15,353,329,528.77/139,932.03
6. Step 6: Final answer
   x = 109,719.91