Finding the Fourth Proportional to 114,085.30, 170,961.54 and 64,179.31

Step by Step Solution

1. Step 1: Write the proportion equation
   114,085.30 : 170,961.54 = 64,179.31 : x
2. Step 2: Convert to fraction form
   114,085.30/170,961.54 = 64,179.31/x
3. Step 3: Cross multiply
   114,085.30x = 170,961.54 × 64,179.31
4. Step 4: Simplify right side
   114,085.30x = 10,972,193,673.74
5. Step 5: Solve for x
   x = 10,972,193,673.74/114,085.30
6. Step 6: Final answer
   x = 96,175.35