Finding the Fourth Proportional to 12,997.53, 19,498.35 and 5,984.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997.53 : 19,498.35 = 5,984.45 : x
2. Step 2: Convert to fraction form
   12,997.53/19,498.35 = 5,984.45/x
3. Step 3: Cross multiply
   12,997.53x = 19,498.35 × 5,984.45
4. Step 4: Simplify right side
   12,997.53x = 116,686,898.73
5. Step 5: Solve for x
   x = 116,686,898.73/12,997.53
6. Step 6: Final answer
   x = 8,977.62