Finding the Fourth Proportional to 111,115.91, 166,614.17 and 35,200.53

Step by Step Solution

1. Step 1: Write the proportion equation
   111,115.91 : 166,614.17 = 35,200.53 : x
2. Step 2: Convert to fraction form
   111,115.91/166,614.17 = 35,200.53/x
3. Step 3: Cross multiply
   111,115.91x = 166,614.17 × 35,200.53
4. Step 4: Simplify right side
   111,115.91x = 5,864,906,913.51
5. Step 5: Solve for x
   x = 5,864,906,913.51/111,115.91
6. Step 6: Final answer
   x = 52,781.88