Finding the Fourth Proportional to 5,526.54, 7,623.86 and 3,955.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,526.54 : 7,623.86 = 3,955.55 : x
2. Step 2: Convert to fraction form
   5,526.54/7,623.86 = 3,955.55/x
3. Step 3: Cross multiply
   5,526.54x = 7,623.86 × 3,955.55
4. Step 4: Simplify right side
   5,526.54x = 30,156,501.53
5. Step 5: Solve for x
   x = 30,156,501.53/5,526.54
6. Step 6: Final answer
   x = 5,456.67