Finding the Fourth Proportional to 11,276.60, 15,568.76 and 7,245.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,276.60 : 15,568.76 = 7,245.05 : x
2. Step 2: Convert to fraction form
   11,276.60/15,568.76 = 7,245.05/x
3. Step 3: Cross multiply
   11,276.60x = 15,568.76 × 7,245.05
4. Step 4: Simplify right side
   11,276.60x = 112,796,501.67
5. Step 5: Solve for x
   x = 112,796,501.67/11,276.60
6. Step 6: Final answer
   x = 10,002.71