Finding the Fourth Proportional to 8,588.55, 12,883.34 and 2,666.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,588.55 : 12,883.34 = 2,666.00 : x
2. Step 2: Convert to fraction form
   8,588.55/12,883.34 = 2,666.00/x
3. Step 3: Cross multiply
   8,588.55x = 12,883.34 × 2,666.00
4. Step 4: Simplify right side
   8,588.55x = 34,346,906.69
5. Step 5: Solve for x
   x = 34,346,906.69/8,588.55
6. Step 6: Final answer
   x = 3,999.15