Finding the Fourth Proportional to 166,895, 230,315.10 and 91,445.24

Step by Step Solution

1. Step 1: Write the proportion equation
   166,895 : 230,315.10 = 91,445.24 : x
2. Step 2: Convert to fraction form
   166,895/230,315.10 = 91,445.24/x
3. Step 3: Cross multiply
   166,895x = 230,315.10 × 91,445.24
4. Step 4: Simplify right side
   166,895x = 21,061,219,595.12
5. Step 5: Solve for x
   x = 21,061,219,595.12/166,895
6. Step 6: Final answer
   x = 126,194.43