Finding the Fourth Proportional to 2,087.17, 2,880.77 and 1,301.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.17 : 2,880.77 = 1,301.06 : x
2. Step 2: Convert to fraction form
   2,087.17/2,880.77 = 1,301.06/x
3. Step 3: Cross multiply
   2,087.17x = 2,880.77 × 1,301.06
4. Step 4: Simplify right side
   2,087.17x = 3,748,055.31
5. Step 5: Solve for x
   x = 3,748,055.31/2,087.17
6. Step 6: Final answer
   x = 1,795.76