Finding the Fourth Proportional to 140,113.37, 193,360.72 and 79,692.72

Step by Step Solution

1. Step 1: Write the proportion equation
   140,113.37 : 193,360.72 = 79,692.72 : x
2. Step 2: Convert to fraction form
   140,113.37/193,360.72 = 79,692.72/x
3. Step 3: Cross multiply
   140,113.37x = 193,360.72 × 79,692.72
4. Step 4: Simplify right side
   140,113.37x = 15,409,440,943.05
5. Step 5: Solve for x
   x = 15,409,440,943.05/140,113.37
6. Step 6: Final answer
   x = 109,978.38