Finding the Fourth Proportional to 111,488.04, 153,843.24 and 66,158.22

Step by Step Solution

1. Step 1: Write the proportion equation
   111,488.04 : 153,843.24 = 66,158.22 : x
2. Step 2: Convert to fraction form
   111,488.04/153,843.24 = 66,158.22/x
3. Step 3: Cross multiply
   111,488.04x = 153,843.24 × 66,158.22
4. Step 4: Simplify right side
   111,488.04x = 10,177,994,917.43
5. Step 5: Solve for x
   x = 10,177,994,917.43/111,488.04
6. Step 6: Final answer
   x = 91,292.26