Finding the Fourth Proportional to 166,551.34, 229,846.29 and 91,099.78

Step by Step Solution

1. Step 1: Write the proportion equation
   166,551.34 : 229,846.29 = 91,099.78 : x
2. Step 2: Convert to fraction form
   166,551.34/229,846.29 = 91,099.78/x
3. Step 3: Cross multiply
   166,551.34x = 229,846.29 × 91,099.78
4. Step 4: Simplify right side
   166,551.34x = 20,938,946,452.82
5. Step 5: Solve for x
   x = 20,938,946,452.82/166,551.34
6. Step 6: Final answer
   x = 125,720.67