Finding the Fourth Proportional to 5,188.27, 7,772.01 and 4,915.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,188.27 : 7,772.01 = 4,915.72 : x
2. Step 2: Convert to fraction form
   5,188.27/7,772.01 = 4,915.72/x
3. Step 3: Cross multiply
   5,188.27x = 7,772.01 × 4,915.72
4. Step 4: Simplify right side
   5,188.27x = 38,205,025.00
5. Step 5: Solve for x
   x = 38,205,025.00/5,188.27
6. Step 6: Final answer
   x = 7,363.73