Finding the Fourth Proportional to 2,618.01, 3,615.18 and 1,953.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.01 : 3,615.18 = 1,953.69 : x
2. Step 2: Convert to fraction form
   2,618.01/3,615.18 = 1,953.69/x
3. Step 3: Cross multiply
   2,618.01x = 3,615.18 × 1,953.69
4. Step 4: Simplify right side
   2,618.01x = 7,062,941.01
5. Step 5: Solve for x
   x = 7,062,941.01/2,618.01
6. Step 6: Final answer
   x = 2,697.83