Finding the Fourth Proportional to 208,085.68, 311,941.17 and 74,872.27

Step by Step Solution

1. Step 1: Write the proportion equation
   208,085.68 : 311,941.17 = 74,872.27 : x
2. Step 2: Convert to fraction form
   208,085.68/311,941.17 = 74,872.27/x
3. Step 3: Cross multiply
   208,085.68x = 311,941.17 × 74,872.27
4. Step 4: Simplify right side
   208,085.68x = 23,355,743,894.28
5. Step 5: Solve for x
   x = 23,355,743,894.28/208,085.68
6. Step 6: Final answer
   x = 112,240.99