Finding the Fourth Proportional to 208,085.36, 311,996.82 and 114,656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   208,085.36 : 311,996.82 = 114,656.72 : x
2. Step 2: Convert to fraction form
   208,085.36/311,996.82 = 114,656.72/x
3. Step 3: Cross multiply
   208,085.36x = 311,996.82 × 114,656.72
4. Step 4: Simplify right side
   208,085.36x = 35,772,532,031.63
5. Step 5: Solve for x
   x = 35,772,532,031.63/208,085.36
6. Step 6: Final answer
   x = 171,912.78