Finding the Fourth Proportional to 2,345.56, 3,515.60 and 1,369.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.56 : 3,515.60 = 1,369.61 : x
2. Step 2: Convert to fraction form
   2,345.56/3,515.60 = 1,369.61/x
3. Step 3: Cross multiply
   2,345.56x = 3,515.60 × 1,369.61
4. Step 4: Simplify right side
   2,345.56x = 4,815,009.11
5. Step 5: Solve for x
   x = 4,815,009.11/2,345.56
6. Step 6: Final answer
   x = 2,052.82