Finding the Fourth Proportional to 140,088.59, 193,321.35 and 79,659.23

Step by Step Solution

1. Step 1: Write the proportion equation
   140,088.59 : 193,321.35 = 79,659.23 : x
2. Step 2: Convert to fraction form
   140,088.59/193,321.35 = 79,659.23/x
3. Step 3: Cross multiply
   140,088.59x = 193,321.35 × 79,659.23
4. Step 4: Simplify right side
   140,088.59x = 15,399,830,004.39
5. Step 5: Solve for x
   x = 15,399,830,004.39/140,088.59
6. Step 6: Final answer
   x = 109,929.23