Finding the Fourth Proportional to 10,099.59, 15,150.20 and 3,525.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,099.59 : 15,150.20 = 3,525.63 : x
2. Step 2: Convert to fraction form
   10,099.59/15,150.20 = 3,525.63/x
3. Step 3: Cross multiply
   10,099.59x = 15,150.20 × 3,525.63
4. Step 4: Simplify right side
   10,099.59x = 53,413,999.63
5. Step 5: Solve for x
   x = 53,413,999.63/10,099.59
6. Step 6: Final answer
   x = 5,288.73