Finding the Fourth Proportional to 2,498.47, 3,740.76 and 1,621.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.47 : 3,740.76 = 1,621.99 : x
2. Step 2: Convert to fraction form
   2,498.47/3,740.76 = 1,621.99/x
3. Step 3: Cross multiply
   2,498.47x = 3,740.76 × 1,621.99
4. Step 4: Simplify right side
   2,498.47x = 6,067,475.31
5. Step 5: Solve for x
   x = 6,067,475.31/2,498.47
6. Step 6: Final answer
   x = 2,428.48