Finding the Fourth Proportional to 12,830.01, 17,709.48 and 8,588.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,830.01 : 17,709.48 = 8,588.31 : x
2. Step 2: Convert to fraction form
   12,830.01/17,709.48 = 8,588.31/x
3. Step 3: Cross multiply
   12,830.01x = 17,709.48 × 8,588.31
4. Step 4: Simplify right side
   12,830.01x = 152,094,504.18
5. Step 5: Solve for x
   x = 152,094,504.18/12,830.01
6. Step 6: Final answer
   x = 11,854.59