Finding the Fourth Proportional to 10,099.79, 15,156.61 and 3,525.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,099.79 : 15,156.61 = 3,525.98 : x
2. Step 2: Convert to fraction form
   10,099.79/15,156.61 = 3,525.98/x
3. Step 3: Cross multiply
   10,099.79x = 15,156.61 × 3,525.98
4. Step 4: Simplify right side
   10,099.79x = 53,441,903.73
5. Step 5: Solve for x
   x = 53,441,903.73/10,099.79
6. Step 6: Final answer
   x = 5,291.39