Finding the Fourth Proportional to 10,088.21, 15,132.72 and 3,515.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,088.21 : 15,132.72 = 3,515.06 : x
2. Step 2: Convert to fraction form
   10,088.21/15,132.72 = 3,515.06/x
3. Step 3: Cross multiply
   10,088.21x = 15,132.72 × 3,515.06
4. Step 4: Simplify right side
   10,088.21x = 53,192,418.76
5. Step 5: Solve for x
   x = 53,192,418.76/10,088.21
6. Step 6: Final answer
   x = 5,272.73