Finding the Fourth Proportional to 123,326.04, 170,012.04 and 80,810.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,326.04 : 170,012.04 = 80,810.76 : x
2. Step 2: Convert to fraction form
   123,326.04/170,012.04 = 80,810.76/x
3. Step 3: Cross multiply
   123,326.04x = 170,012.04 × 80,810.76
4. Step 4: Simplify right side
   123,326.04x = 13,738,802,161.55
5. Step 5: Solve for x
   x = 13,738,802,161.55/123,326.04
6. Step 6: Final answer
   x = 111,402.28