Finding the Fourth Proportional to 144,105.57, 215,983.35 and 101,997.99

Step by Step Solution

1. Step 1: Write the proportion equation
   144,105.57 : 215,983.35 = 101,997.99 : x
2. Step 2: Convert to fraction form
   144,105.57/215,983.35 = 101,997.99/x
3. Step 3: Cross multiply
   144,105.57x = 215,983.35 × 101,997.99
4. Step 4: Simplify right side
   144,105.57x = 22,029,867,573.47
5. Step 5: Solve for x
   x = 22,029,867,573.47/144,105.57
6. Step 6: Final answer
   x = 152,873.12