Finding the Fourth Proportional to 166,477.60, 229,739.97 and 91,026.10

Step by Step Solution

1. Step 1: Write the proportion equation
   166,477.60 : 229,739.97 = 91,026.10 : x
2. Step 2: Convert to fraction form
   166,477.60/229,739.97 = 91,026.10/x
3. Step 3: Cross multiply
   166,477.60x = 229,739.97 × 91,026.10
4. Step 4: Simplify right side
   166,477.60x = 20,912,333,483.22
5. Step 5: Solve for x
   x = 20,912,333,483.22/166,477.60
6. Step 6: Final answer
   x = 125,616.50