Finding the Fourth Proportional to 11,039.58, 15,196.95 and 9,707.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,039.58 : 15,196.95 = 9,707.10 : x
2. Step 2: Convert to fraction form
   11,039.58/15,196.95 = 9,707.10/x
3. Step 3: Cross multiply
   11,039.58x = 15,196.95 × 9,707.10
4. Step 4: Simplify right side
   11,039.58x = 147,518,313.35
5. Step 5: Solve for x
   x = 147,518,313.35/11,039.58
6. Step 6: Final answer
   x = 13,362.67