Finding the Fourth Proportional to 9,997.60, 14,987.49 and 5,064.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997.60 : 14,987.49 = 5,064.70 : x
2. Step 2: Convert to fraction form
   9,997.60/14,987.49 = 5,064.70/x
3. Step 3: Cross multiply
   9,997.60x = 14,987.49 × 5,064.70
4. Step 4: Simplify right side
   9,997.60x = 75,907,140.60
5. Step 5: Solve for x
   x = 75,907,140.60/9,997.60
6. Step 6: Final answer
   x = 7,592.54