Finding the Fourth Proportional to 166,741.32, 230,103 and 91,289.82

Step by Step Solution

1. Step 1: Write the proportion equation
   166,741.32 : 230,103 = 91,289.82 : x
2. Step 2: Convert to fraction form
   166,741.32/230,103 = 91,289.82/x
3. Step 3: Cross multiply
   166,741.32x = 230,103 × 91,289.82
4. Step 4: Simplify right side
   166,741.32x = 21,006,061,451.46
5. Step 5: Solve for x
   x = 21,006,061,451.46/166,741.32
6. Step 6: Final answer
   x = 125,979.94