Finding the Fourth Proportional to 9,499.68, 13,109.58 and 5,251.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.68 : 13,109.58 = 5,251.05 : x
2. Step 2: Convert to fraction form
   9,499.68/13,109.58 = 5,251.05/x
3. Step 3: Cross multiply
   9,499.68x = 13,109.58 × 5,251.05
4. Step 4: Simplify right side
   9,499.68x = 68,839,060.06
5. Step 5: Solve for x
   x = 68,839,060.06/9,499.68
6. Step 6: Final answer
   x = 7,246.46