Finding the Fourth Proportional to 2,117.21, 3,173.07 and 1,826.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.21 : 3,173.07 = 1,826.52 : x
2. Step 2: Convert to fraction form
   2,117.21/3,173.07 = 1,826.52/x
3. Step 3: Cross multiply
   2,117.21x = 3,173.07 × 1,826.52
4. Step 4: Simplify right side
   2,117.21x = 5,795,670.77
5. Step 5: Solve for x
   x = 5,795,670.77/2,117.21
6. Step 6: Final answer
   x = 2,737.42