Finding the Fourth Proportional to 140,147.20, 211,010.72 and 123,610.24

Step by Step Solution

1. Step 1: Write the proportion equation
   140,147.20 : 211,010.72 = 123,610.24 : x
2. Step 2: Convert to fraction form
   140,147.20/211,010.72 = 123,610.24/x
3. Step 3: Cross multiply
   140,147.20x = 211,010.72 × 123,610.24
4. Step 4: Simplify right side
   140,147.20x = 26,083,085,741.77
5. Step 5: Solve for x
   x = 26,083,085,741.77/140,147.20
6. Step 6: Final answer
   x = 186,112.07