Finding the Fourth Proportional to 7,127.52, 10,695.86 and 3,842.90

Step by Step Solution

1. Step 1: Write the proportion equation
   7,127.52 : 10,695.86 = 3,842.90 : x
2. Step 2: Convert to fraction form
   7,127.52/10,695.86 = 3,842.90/x
3. Step 3: Cross multiply
   7,127.52x = 10,695.86 × 3,842.90
4. Step 4: Simplify right side
   7,127.52x = 41,103,123.84
5. Step 5: Solve for x
   x = 41,103,123.84/7,127.52
6. Step 6: Final answer
   x = 5,766.82