Finding the Fourth Proportional to 354,372.82, 531,411.42 and 111,151.23

Step by Step Solution

1. Step 1: Write the proportion equation
   354,372.82 : 531,411.42 = 111,151.23 : x
2. Step 2: Convert to fraction form
   354,372.82/531,411.42 = 111,151.23/x
3. Step 3: Cross multiply
   354,372.82x = 531,411.42 × 111,151.23
4. Step 4: Simplify right side
   354,372.82x = 59,067,032,969.05
5. Step 5: Solve for x
   x = 59,067,032,969.05/354,372.82
6. Step 6: Final answer
   x = 166,680.48