Finding the Fourth Proportional to 31,422.51, 43,365.15 and 17,995.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,422.51 : 43,365.15 = 17,995.59 : x
2. Step 2: Convert to fraction form
   31,422.51/43,365.15 = 17,995.59/x
3. Step 3: Cross multiply
   31,422.51x = 43,365.15 × 17,995.59
4. Step 4: Simplify right side
   31,422.51x = 780,381,459.69
5. Step 5: Solve for x
   x = 780,381,459.69/31,422.51
6. Step 6: Final answer
   x = 24,835.11