Finding the Fourth Proportional to 166,561.02, 229,854.51 and 91,109.52

Step by Step Solution

1. Step 1: Write the proportion equation
   166,561.02 : 229,854.51 = 91,109.52 : x
2. Step 2: Convert to fraction form
   166,561.02/229,854.51 = 91,109.52/x
3. Step 3: Cross multiply
   166,561.02x = 229,854.51 × 91,109.52
4. Step 4: Simplify right side
   166,561.02x = 20,941,934,075.94
5. Step 5: Solve for x
   x = 20,941,934,075.94/166,561.02
6. Step 6: Final answer
   x = 125,731.30