Finding the Fourth Proportional to 31,655.40, 43,686.71 and 17,507.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,655.40 : 43,686.71 = 17,507.94 : x
2. Step 2: Convert to fraction form
   31,655.40/43,686.71 = 17,507.94/x
3. Step 3: Cross multiply
   31,655.40x = 43,686.71 × 17,507.94
4. Step 4: Simplify right side
   31,655.40x = 764,864,297.48
5. Step 5: Solve for x
   x = 764,864,297.48/31,655.40
6. Step 6: Final answer
   x = 24,162.21