Finding the Fourth Proportional to 139,953.27, 193,128.24 and 79,515.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,953.27 : 193,128.24 = 79,515.52 : x
2. Step 2: Convert to fraction form
   139,953.27/193,128.24 = 79,515.52/x
3. Step 3: Cross multiply
   139,953.27x = 193,128.24 × 79,515.52
4. Step 4: Simplify right side
   139,953.27x = 15,356,692,430.28
5. Step 5: Solve for x
   x = 15,356,692,430.28/139,953.27
6. Step 6: Final answer
   x = 109,727.29