Finding the Fourth Proportional to 12,997.72, 19,498.50 and 3,762.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997.72 : 19,498.50 = 3,762.52 : x
2. Step 2: Convert to fraction form
   12,997.72/19,498.50 = 3,762.52/x
3. Step 3: Cross multiply
   12,997.72x = 19,498.50 × 3,762.52
4. Step 4: Simplify right side
   12,997.72x = 73,363,496.22
5. Step 5: Solve for x
   x = 73,363,496.22/12,997.72
6. Step 6: Final answer
   x = 5,644.34