Finding the Fourth Proportional to 354,374.82, 531,414.42 and 111,153.23

Step by Step Solution

1. Step 1: Write the proportion equation
   354,374.82 : 531,414.42 = 111,153.23 : x
2. Step 2: Convert to fraction form
   354,374.82/531,414.42 = 111,153.23/x
3. Step 3: Cross multiply
   354,374.82x = 531,414.42 × 111,153.23
4. Step 4: Simplify right side
   354,374.82x = 59,068,426,594.50
5. Step 5: Solve for x
   x = 59,068,426,594.50/354,374.82
6. Step 6: Final answer
   x = 166,683.48