Finding the Fourth Proportional to 2,483.42, 3,718.51 and 1,990.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.42 : 3,718.51 = 1,990.84 : x
2. Step 2: Convert to fraction form
   2,483.42/3,718.51 = 1,990.84/x
3. Step 3: Cross multiply
   2,483.42x = 3,718.51 × 1,990.84
4. Step 4: Simplify right side
   2,483.42x = 7,402,956.38
5. Step 5: Solve for x
   x = 7,402,956.38/2,483.42
6. Step 6: Final answer
   x = 2,980.95