Finding the Fourth Proportional to 123,284.71, 170,087.25 and 91,096.93

Step by Step Solution

1. Step 1: Write the proportion equation
   123,284.71 : 170,087.25 = 91,096.93 : x
2. Step 2: Convert to fraction form
   123,284.71/170,087.25 = 91,096.93/x
3. Step 3: Cross multiply
   123,284.71x = 170,087.25 × 91,096.93
4. Step 4: Simplify right side
   123,284.71x = 15,494,426,307.14
5. Step 5: Solve for x
   x = 15,494,426,307.14/123,284.71
6. Step 6: Final answer
   x = 125,680.03