Finding the Fourth Proportional to 139,925.57, 193,097.35 and 79,496.31

Step by Step Solution

1. Step 1: Write the proportion equation
   139,925.57 : 193,097.35 = 79,496.31 : x
2. Step 2: Convert to fraction form
   139,925.57/193,097.35 = 79,496.31/x
3. Step 3: Cross multiply
   139,925.57x = 193,097.35 × 79,496.31
4. Step 4: Simplify right side
   139,925.57x = 15,350,526,908.49
5. Step 5: Solve for x
   x = 15,350,526,908.49/139,925.57
6. Step 6: Final answer
   x = 109,704.94