Finding the Fourth Proportional to 12,863.57, 17,746.10 and 7,556.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,863.57 : 17,746.10 = 7,556.00 : x
2. Step 2: Convert to fraction form
   12,863.57/17,746.10 = 7,556.00/x
3. Step 3: Cross multiply
   12,863.57x = 17,746.10 × 7,556.00
4. Step 4: Simplify right side
   12,863.57x = 134,089,405.09
5. Step 5: Solve for x
   x = 134,089,405.09/12,863.57
6. Step 6: Final answer
   x = 10,423.96