Finding the Fourth Proportional to 2,315.54, 3,455.51 and 2,069.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.54 : 3,455.51 = 2,069.51 : x
2. Step 2: Convert to fraction form
   2,315.54/3,455.51 = 2,069.51/x
3. Step 3: Cross multiply
   2,315.54x = 3,455.51 × 2,069.51
4. Step 4: Simplify right side
   2,315.54x = 7,151,184.88
5. Step 5: Solve for x
   x = 7,151,184.88/2,315.54
6. Step 6: Final answer
   x = 3,088.34