Finding the Fourth Proportional to 7,659.60, 11,484.72 and 3,274.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,659.60 : 11,484.72 = 3,274.56 : x
2. Step 2: Convert to fraction form
   7,659.60/11,484.72 = 3,274.56/x
3. Step 3: Cross multiply
   7,659.60x = 11,484.72 × 3,274.56
4. Step 4: Simplify right side
   7,659.60x = 37,607,404.72
5. Step 5: Solve for x
   x = 37,607,404.72/7,659.60
6. Step 6: Final answer
   x = 4,909.84