Finding the Fourth Proportional to 8,585.90, 12,876.76 and 2,345.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,585.90 : 12,876.76 = 2,345.94 : x
2. Step 2: Convert to fraction form
   8,585.90/12,876.76 = 2,345.94/x
3. Step 3: Cross multiply
   8,585.90x = 12,876.76 × 2,345.94
4. Step 4: Simplify right side
   8,585.90x = 30,208,061.00
5. Step 5: Solve for x
   x = 30,208,061.00/8,585.90
6. Step 6: Final answer
   x = 3,518.34