Finding the Fourth Proportional to 144,848.61, 199,887.50 and 80,318.10

Step by Step Solution

1. Step 1: Write the proportion equation
   144,848.61 : 199,887.50 = 80,318.10 : x
2. Step 2: Convert to fraction form
   144,848.61/199,887.50 = 80,318.10/x
3. Step 3: Cross multiply
   144,848.61x = 199,887.50 × 80,318.10
4. Step 4: Simplify right side
   144,848.61x = 16,054,583,812.16
5. Step 5: Solve for x
   x = 16,054,583,812.16/144,848.61
6. Step 6: Final answer
   x = 110,836.99