Finding the Fourth Proportional to 115,427.50, 173,196.05 and 79,943.43

Step by Step Solution

1. Step 1: Write the proportion equation
   115,427.50 : 173,196.05 = 79,943.43 : x
2. Step 2: Convert to fraction form
   115,427.50/173,196.05 = 79,943.43/x
3. Step 3: Cross multiply
   115,427.50x = 173,196.05 × 79,943.43
4. Step 4: Simplify right side
   115,427.50x = 13,845,885,983.03
5. Step 5: Solve for x
   x = 13,845,885,983.03/115,427.50
6. Step 6: Final answer
   x = 119,953.09