Finding the Fourth Proportional to 166,476.60, 229,738.59 and 91,025.10

Step by Step Solution

1. Step 1: Write the proportion equation
   166,476.60 : 229,738.59 = 91,025.10 : x
2. Step 2: Convert to fraction form
   166,476.60/229,738.59 = 91,025.10/x
3. Step 3: Cross multiply
   166,476.60x = 229,738.59 × 91,025.10
4. Step 4: Simplify right side
   166,476.60x = 20,911,978,128.61
5. Step 5: Solve for x
   x = 20,911,978,128.61/166,476.60
6. Step 6: Final answer
   x = 125,615.12