Finding the Fourth Proportional to 2,602.83, 3,906.72 and 2,421.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.83 : 3,906.72 = 2,421.84 : x
2. Step 2: Convert to fraction form
   2,602.83/3,906.72 = 2,421.84/x
3. Step 3: Cross multiply
   2,602.83x = 3,906.72 × 2,421.84
4. Step 4: Simplify right side
   2,602.83x = 9,461,450.76
5. Step 5: Solve for x
   x = 9,461,450.76/2,602.83
6. Step 6: Final answer
   x = 3,635.06