Finding the Fourth Proportional to 144,846.51, 199,887.56 and 81,184.31

Step by Step Solution

1. Step 1: Write the proportion equation
   144,846.51 : 199,887.56 = 81,184.31 : x
2. Step 2: Convert to fraction form
   144,846.51/199,887.56 = 81,184.31/x
3. Step 3: Cross multiply
   144,846.51x = 199,887.56 × 81,184.31
4. Step 4: Simplify right side
   144,846.51x = 16,227,732,230.82
5. Step 5: Solve for x
   x = 16,227,732,230.82/144,846.51
6. Step 6: Final answer
   x = 112,033.99