Finding the Fourth Proportional to 5,274.34, 7,278.53 and 2,916.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,274.34 : 7,278.53 = 2,916.52 : x
2. Step 2: Convert to fraction form
   5,274.34/7,278.53 = 2,916.52/x
3. Step 3: Cross multiply
   5,274.34x = 7,278.53 × 2,916.52
4. Step 4: Simplify right side
   5,274.34x = 21,227,978.32
5. Step 5: Solve for x
   x = 21,227,978.32/5,274.34
6. Step 6: Final answer
   x = 4,024.76