Finding the Fourth Proportional to 5,915.86, 8,860.83 and 3,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,915.86 : 8,860.83 = 3,602.50 : x
2. Step 2: Convert to fraction form
   5,915.86/8,860.83 = 3,602.50/x
3. Step 3: Cross multiply
   5,915.86x = 8,860.83 × 3,602.50
4. Step 4: Simplify right side
   5,915.86x = 31,921,104.41
5. Step 5: Solve for x
   x = 31,921,104.41/5,915.86
6. Step 6: Final answer
   x = 5,395.85