Finding the Fourth Proportional to 2,402.60, 3,598.04 and 1,984.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.60 : 3,598.04 = 1,984.34 : x
2. Step 2: Convert to fraction form
   2,402.60/3,598.04 = 1,984.34/x
3. Step 3: Cross multiply
   2,402.60x = 3,598.04 × 1,984.34
4. Step 4: Simplify right side
   2,402.60x = 7,139,734.69
5. Step 5: Solve for x
   x = 7,139,734.69/2,402.60
6. Step 6: Final answer
   x = 2,971.67