Finding the Fourth Proportional to 111,301.10, 166,877.85 and 61,405.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,301.10 : 166,877.85 = 61,405.10 : x
2. Step 2: Convert to fraction form
   111,301.10/166,877.85 = 61,405.10/x
3. Step 3: Cross multiply
   111,301.10x = 166,877.85 × 61,405.10
4. Step 4: Simplify right side
   111,301.10x = 10,247,151,067.04
5. Step 5: Solve for x
   x = 10,247,151,067.04/111,301.10
6. Step 6: Final answer
   x = 92,066.93