Finding the Fourth Proportional to 7,274.58, 10,915.12 and 2,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,274.58 : 10,915.12 = 2,656.50 : x
2. Step 2: Convert to fraction form
   7,274.58/10,915.12 = 2,656.50/x
3. Step 3: Cross multiply
   7,274.58x = 10,915.12 × 2,656.50
4. Step 4: Simplify right side
   7,274.58x = 28,996,016.28
5. Step 5: Solve for x
   x = 28,996,016.28/7,274.58
6. Step 6: Final answer
   x = 3,985.94