Finding the Fourth Proportional to 163,499.29, 225,631.67 and 89,914.84

Step by Step Solution

1. Step 1: Write the proportion equation
   163,499.29 : 225,631.67 = 89,914.84 : x
2. Step 2: Convert to fraction form
   163,499.29/225,631.67 = 89,914.84/x
3. Step 3: Cross multiply
   163,499.29x = 225,631.67 × 89,914.84
4. Step 4: Simplify right side
   163,499.29x = 20,287,635,506.98
5. Step 5: Solve for x
   x = 20,287,635,506.98/163,499.29
6. Step 6: Final answer
   x = 124,083.94