Finding the Fourth Proportional to 114,641.31, 170,915.47 and 111,727.98

Step by Step Solution

1. Step 1: Write the proportion equation
   114,641.31 : 170,915.47 = 111,727.98 : x
2. Step 2: Convert to fraction form
   114,641.31/170,915.47 = 111,727.98/x
3. Step 3: Cross multiply
   114,641.31x = 170,915.47 × 111,727.98
4. Step 4: Simplify right side
   114,641.31x = 19,096,040,213.85
5. Step 5: Solve for x
   x = 19,096,040,213.85/114,641.31
6. Step 6: Final answer
   x = 166,572.07