Finding the Fourth Proportional to 5,801.86, 8,699.01 and 3,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,801.86 : 8,699.01 = 3,821.50 : x
2. Step 2: Convert to fraction form
   5,801.86/8,699.01 = 3,821.50/x
3. Step 3: Cross multiply
   5,801.86x = 8,699.01 × 3,821.50
4. Step 4: Simplify right side
   5,801.86x = 33,243,266.72
5. Step 5: Solve for x
   x = 33,243,266.72/5,801.86
6. Step 6: Final answer
   x = 5,729.76