Finding the Fourth Proportional to 31,236.76, 43,106.71 and 17,089.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,236.76 : 43,106.71 = 17,089.70 : x
2. Step 2: Convert to fraction form
   31,236.76/43,106.71 = 17,089.70/x
3. Step 3: Cross multiply
   31,236.76x = 43,106.71 × 17,089.70
4. Step 4: Simplify right side
   31,236.76x = 736,680,741.89
5. Step 5: Solve for x
   x = 736,680,741.89/31,236.76
6. Step 6: Final answer
   x = 23,583.78