Finding the Fourth Proportional to 144,738.59, 199,750.34 and 91,069.61

Step by Step Solution

1. Step 1: Write the proportion equation
   144,738.59 : 199,750.34 = 91,069.61 : x
2. Step 2: Convert to fraction form
   144,738.59/199,750.34 = 91,069.61/x
3. Step 3: Cross multiply
   144,738.59x = 199,750.34 × 91,069.61
4. Step 4: Simplify right side
   144,738.59x = 18,191,185,105.82
5. Step 5: Solve for x
   x = 18,191,185,105.82/144,738.59
6. Step 6: Final answer
   x = 125,683.03