Finding the Fourth Proportional to 111,077.01, 153,126.81 and 79,190.55

Step by Step Solution

1. Step 1: Write the proportion equation
   111,077.01 : 153,126.81 = 79,190.55 : x
2. Step 2: Convert to fraction form
   111,077.01/153,126.81 = 79,190.55/x
3. Step 3: Cross multiply
   111,077.01x = 153,126.81 × 79,190.55
4. Step 4: Simplify right side
   111,077.01x = 12,126,196,303.65
5. Step 5: Solve for x
   x = 12,126,196,303.65/111,077.01
6. Step 6: Final answer
   x = 109,169.27