Finding the Fourth Proportional to 31,585.68, 43,587.72 and 17,439.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,585.68 : 43,587.72 = 17,439.84 : x
2. Step 2: Convert to fraction form
   31,585.68/43,587.72 = 17,439.84/x
3. Step 3: Cross multiply
   31,585.68x = 43,587.72 × 17,439.84
4. Step 4: Simplify right side
   31,585.68x = 760,162,862.76
5. Step 5: Solve for x
   x = 760,162,862.76/31,585.68
6. Step 6: Final answer
   x = 24,066.69