Finding the Fourth Proportional to 12,917.00, 17,820.99 and 7,250.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,917.00 : 17,820.99 = 7,250.96 : x
2. Step 2: Convert to fraction form
   12,917.00/17,820.99 = 7,250.96/x
3. Step 3: Cross multiply
   12,917.00x = 17,820.99 × 7,250.96
4. Step 4: Simplify right side
   12,917.00x = 129,219,196.55
5. Step 5: Solve for x
   x = 129,219,196.55/12,917.00
6. Step 6: Final answer
   x = 10,003.81