Finding the Fourth Proportional to 111,225.76, 166,863.25 and 61,280.14

Step by Step Solution

1. Step 1: Write the proportion equation
   111,225.76 : 166,863.25 = 61,280.14 : x
2. Step 2: Convert to fraction form
   111,225.76/166,863.25 = 61,280.14/x
3. Step 3: Cross multiply
   111,225.76x = 166,863.25 × 61,280.14
4. Step 4: Simplify right side
   111,225.76x = 10,225,403,320.86
5. Step 5: Solve for x
   x = 10,225,403,320.86/111,225.76
6. Step 6: Final answer
   x = 91,933.77