Finding the Fourth Proportional to 31,235.81, 43,105.52 and 17,088.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,235.81 : 43,105.52 = 17,088.76 : x
2. Step 2: Convert to fraction form
   31,235.81/43,105.52 = 17,088.76/x
3. Step 3: Cross multiply
   31,235.81x = 43,105.52 × 17,088.76
4. Step 4: Simplify right side
   31,235.81x = 736,619,885.96
5. Step 5: Solve for x
   x = 736,619,885.96/31,235.81
6. Step 6: Final answer
   x = 23,582.54