Finding the Fourth Proportional to 11,507.28, 17,256.60 and 3,714

Step by Step Solution

1. Step 1: Write the proportion equation
   11,507.28 : 17,256.60 = 3,714 : x
2. Step 2: Convert to fraction form
   11,507.28/17,256.60 = 3,714/x
3. Step 3: Cross multiply
   11,507.28x = 17,256.60 × 3,714
4. Step 4: Simplify right side
   11,507.28x = 64,091,012.40
5. Step 5: Solve for x
   x = 64,091,012.40/11,507.28
6. Step 6: Final answer
   x = 5,569.61