Finding the Fourth Proportional to 9,638.45, 13,300.33 and 5,861.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638.45 : 13,300.33 = 5,861.10 : x
2. Step 2: Convert to fraction form
   9,638.45/13,300.33 = 5,861.10/x
3. Step 3: Cross multiply
   9,638.45x = 13,300.33 × 5,861.10
4. Step 4: Simplify right side
   9,638.45x = 77,954,499.63
5. Step 5: Solve for x
   x = 77,954,499.63/9,638.45
6. Step 6: Final answer
   x = 8,087.86