Finding the Fourth Proportional to 11,709.32, 17,554.06 and 5,130.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,709.32 : 17,554.06 = 5,130.52 : x
2. Step 2: Convert to fraction form
   11,709.32/17,554.06 = 5,130.52/x
3. Step 3: Cross multiply
   11,709.32x = 17,554.06 × 5,130.52
4. Step 4: Simplify right side
   11,709.32x = 90,061,455.91
5. Step 5: Solve for x
   x = 90,061,455.91/11,709.32
6. Step 6: Final answer
   x = 7,691.43