Finding the Fourth Proportional to 8,420.58, 12,633.90 and 3,610.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,420.58 : 12,633.90 = 3,610.01 : x
2. Step 2: Convert to fraction form
   8,420.58/12,633.90 = 3,610.01/x
3. Step 3: Cross multiply
   8,420.58x = 12,633.90 × 3,610.01
4. Step 4: Simplify right side
   8,420.58x = 45,608,505.34
5. Step 5: Solve for x
   x = 45,608,505.34/8,420.58
6. Step 6: Final answer
   x = 5,416.31