Finding the Fourth Proportional to 144,543.40, 199,432.05 and 83,274.59

Step by Step Solution

1. Step 1: Write the proportion equation
   144,543.40 : 199,432.05 = 83,274.59 : x
2. Step 2: Convert to fraction form
   144,543.40/199,432.05 = 83,274.59/x
3. Step 3: Cross multiply
   144,543.40x = 199,432.05 × 83,274.59
4. Step 4: Simplify right side
   144,543.40x = 16,607,622,196.61
5. Step 5: Solve for x
   x = 16,607,622,196.61/144,543.40
6. Step 6: Final answer
   x = 114,897.14