Finding the Fourth Proportional to 3,842.55, 5,737.91 and 3,819.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842.55 : 5,737.91 = 3,819.51 : x
2. Step 2: Convert to fraction form
   3,842.55/5,737.91 = 3,819.51/x
3. Step 3: Cross multiply
   3,842.55x = 5,737.91 × 3,819.51
4. Step 4: Simplify right side
   3,842.55x = 21,915,985.53
5. Step 5: Solve for x
   x = 21,915,985.53/3,842.55
6. Step 6: Final answer
   x = 5,703.50