Finding the Fourth Proportional to 144,607.71, 199,560.69 and 83,320.10

Step by Step Solution

1. Step 1: Write the proportion equation
   144,607.71 : 199,560.69 = 83,320.10 : x
2. Step 2: Convert to fraction form
   144,607.71/199,560.69 = 83,320.10/x
3. Step 3: Cross multiply
   144,607.71x = 199,560.69 × 83,320.10
4. Step 4: Simplify right side
   144,607.71x = 16,627,415,649.07
5. Step 5: Solve for x
   x = 16,627,415,649.07/144,607.71
6. Step 6: Final answer
   x = 114,982.91