Finding the Fourth Proportional to 7,557.72, 10,426.74 and 5,572.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,557.72 : 10,426.74 = 5,572.98 : x
2. Step 2: Convert to fraction form
   7,557.72/10,426.74 = 5,572.98/x
3. Step 3: Cross multiply
   7,557.72x = 10,426.74 × 5,572.98
4. Step 4: Simplify right side
   7,557.72x = 58,108,013.49
5. Step 5: Solve for x
   x = 58,108,013.49/7,557.72
6. Step 6: Final answer
   x = 7,688.56