Finding the Fourth Proportional to 10,636, 15,961.31 and 3,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,636 : 15,961.31 = 3,710.50 : x
2. Step 2: Convert to fraction form
   10,636/15,961.31 = 3,710.50/x
3. Step 3: Cross multiply
   10,636x = 15,961.31 × 3,710.50
4. Step 4: Simplify right side
   10,636x = 59,224,440.76
5. Step 5: Solve for x
   x = 59,224,440.76/10,636
6. Step 6: Final answer
   x = 5,568.30