Finding the Fourth Proportional to 2,599.79, 3,898.34 and 1,283.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.79 : 3,898.34 = 1,283.61 : x
2. Step 2: Convert to fraction form
   2,599.79/3,898.34 = 1,283.61/x
3. Step 3: Cross multiply
   2,599.79x = 3,898.34 × 1,283.61
4. Step 4: Simplify right side
   2,599.79x = 5,003,941.79
5. Step 5: Solve for x
   x = 5,003,941.79/2,599.79
6. Step 6: Final answer
   x = 1,924.75