Finding the Fourth Proportional to 3,498.21, 5,247.72 and 1,417.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.21 : 5,247.72 = 1,417.77 : x
2. Step 2: Convert to fraction form
   3,498.21/5,247.72 = 1,417.77/x
3. Step 3: Cross multiply
   3,498.21x = 5,247.72 × 1,417.77
4. Step 4: Simplify right side
   3,498.21x = 7,440,059.98
5. Step 5: Solve for x
   x = 7,440,059.98/3,498.21
6. Step 6: Final answer
   x = 2,126.82