Finding the Fourth Proportional to 11,507.68, 17,264.49 and 5,264.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,507.68 : 17,264.49 = 5,264.71 : x
2. Step 2: Convert to fraction form
   11,507.68/17,264.49 = 5,264.71/x
3. Step 3: Cross multiply
   11,507.68x = 17,264.49 × 5,264.71
4. Step 4: Simplify right side
   11,507.68x = 90,892,533.15
5. Step 5: Solve for x
   x = 90,892,533.15/11,507.68
6. Step 6: Final answer
   x = 7,898.42