Finding the Fourth Proportional to 10,099.62, 15,151.86 and 3,525.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,099.62 : 15,151.86 = 3,525.86 : x
2. Step 2: Convert to fraction form
   10,099.62/15,151.86 = 3,525.86/x
3. Step 3: Cross multiply
   10,099.62x = 15,151.86 × 3,525.86
4. Step 4: Simplify right side
   10,099.62x = 53,423,374.98
5. Step 5: Solve for x
   x = 53,423,374.98/10,099.62
6. Step 6: Final answer
   x = 5,289.64