Finding the Fourth Proportional to 2,345.58, 3,514.20 and 2,091.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.58 : 3,514.20 = 2,091.30 : x
2. Step 2: Convert to fraction form
   2,345.58/3,514.20 = 2,091.30/x
3. Step 3: Cross multiply
   2,345.58x = 3,514.20 × 2,091.30
4. Step 4: Simplify right side
   2,345.58x = 7,349,246.46
5. Step 5: Solve for x
   x = 7,349,246.46/2,345.58
6. Step 6: Final answer
   x = 3,133.23