Finding the Fourth Proportional to 5,274.83, 7,279.31 and 2,917.01

Step by Step Solution

1. Step 1: Write the proportion equation
   5,274.83 : 7,279.31 = 2,917.01 : x
2. Step 2: Convert to fraction form
   5,274.83/7,279.31 = 2,917.01/x
3. Step 3: Cross multiply
   5,274.83x = 7,279.31 × 2,917.01
4. Step 4: Simplify right side
   5,274.83x = 21,233,801.86
5. Step 5: Solve for x
   x = 21,233,801.86/5,274.83
6. Step 6: Final answer
   x = 4,025.50