Finding the Fourth Proportional to 111,280.71, 166,850.81 and 61,395.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111,280.71 : 166,850.81 = 61,395.57 : x
2. Step 2: Convert to fraction form
   111,280.71/166,850.81 = 61,395.57/x
3. Step 3: Cross multiply
   111,280.71x = 166,850.81 × 61,395.57
4. Step 4: Simplify right side
   111,280.71x = 10,243,900,014.30
5. Step 5: Solve for x
   x = 10,243,900,014.30/111,280.71
6. Step 6: Final answer
   x = 92,054.59