Finding the Fourth Proportional to 31,189.83, 43,040.07 and 17,761.65

Step by Step Solution

1. Step 1: Write the proportion equation
   31,189.83 : 43,040.07 = 17,761.65 : x
2. Step 2: Convert to fraction form
   31,189.83/43,040.07 = 17,761.65/x
3. Step 3: Cross multiply
   31,189.83x = 43,040.07 × 17,761.65
4. Step 4: Simplify right side
   31,189.83x = 764,462,659.32
5. Step 5: Solve for x
   x = 764,462,659.32/31,189.83
6. Step 6: Final answer
   x = 24,510.00