Finding the Fourth Proportional to 31,511.35, 43,486.59 and 17,365.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,511.35 : 43,486.59 = 17,365.10 : x
2. Step 2: Convert to fraction form
   31,511.35/43,486.59 = 17,365.10/x
3. Step 3: Cross multiply
   31,511.35x = 43,486.59 × 17,365.10
4. Step 4: Simplify right side
   31,511.35x = 755,148,984.01
5. Step 5: Solve for x
   x = 755,148,984.01/31,511.35
6. Step 6: Final answer
   x = 23,964.35