Finding the Fourth Proportional to 110,389.82, 166,322.33 and 99,873.19

Step by Step Solution

1. Step 1: Write the proportion equation
   110,389.82 : 166,322.33 = 99,873.19 : x
2. Step 2: Convert to fraction form
   110,389.82/166,322.33 = 99,873.19/x
3. Step 3: Cross multiply
   110,389.82x = 166,322.33 × 99,873.19
4. Step 4: Simplify right side
   110,389.82x = 16,611,141,665.33
5. Step 5: Solve for x
   x = 16,611,141,665.33/110,389.82
6. Step 6: Final answer
   x = 150,477.12