Finding the Fourth Proportional to 2,117.94, 3,173.40 and 1,498.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.94 : 3,173.40 = 1,498.58 : x
2. Step 2: Convert to fraction form
   2,117.94/3,173.40 = 1,498.58/x
3. Step 3: Cross multiply
   2,117.94x = 3,173.40 × 1,498.58
4. Step 4: Simplify right side
   2,117.94x = 4,755,593.77
5. Step 5: Solve for x
   x = 4,755,593.77/2,117.94
6. Step 6: Final answer
   x = 2,245.39