Finding the Fourth Proportional to 139,925.24, 193,101.34 and 79,494.78

Step by Step Solution

1. Step 1: Write the proportion equation
   139,925.24 : 193,101.34 = 79,494.78 : x
2. Step 2: Convert to fraction form
   139,925.24/193,101.34 = 79,494.78/x
3. Step 3: Cross multiply
   139,925.24x = 193,101.34 × 79,494.78
4. Step 4: Simplify right side
   139,925.24x = 15,350,548,541.01
5. Step 5: Solve for x
   x = 15,350,548,541.01/139,925.24
6. Step 6: Final answer
   x = 109,705.36