Finding the Fourth Proportional to 166,225.98, 229,388.31 and 90,774.78

Step by Step Solution

1. Step 1: Write the proportion equation
   166,225.98 : 229,388.31 = 90,774.78 : x
2. Step 2: Convert to fraction form
   166,225.98/229,388.31 = 90,774.78/x
3. Step 3: Cross multiply
   166,225.98x = 229,388.31 × 90,774.78
4. Step 4: Simplify right side
   166,225.98x = 20,822,673,374.82
5. Step 5: Solve for x
   x = 20,822,673,374.82/166,225.98
6. Step 6: Final answer
   x = 125,267.26