Finding the Fourth Proportional to 148,839.82, 205,399.34 and 80,856.24

Step by Step Solution

1. Step 1: Write the proportion equation
   148,839.82 : 205,399.34 = 80,856.24 : x
2. Step 2: Convert to fraction form
   148,839.82/205,399.34 = 80,856.24/x
3. Step 3: Cross multiply
   148,839.82x = 205,399.34 × 80,856.24
4. Step 4: Simplify right side
   148,839.82x = 16,607,817,459.56
5. Step 5: Solve for x
   x = 16,607,817,459.56/148,839.82
6. Step 6: Final answer
   x = 111,581.82