Finding the Fourth Proportional to 12,914.83, 17,820.99 and 7,248.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,914.83 : 17,820.99 = 7,248.81 : x
2. Step 2: Convert to fraction form
   12,914.83/17,820.99 = 7,248.81/x
3. Step 3: Cross multiply
   12,914.83x = 17,820.99 × 7,248.81
4. Step 4: Simplify right side
   12,914.83x = 129,180,970.52
5. Step 5: Solve for x
   x = 129,180,970.52/12,914.83
6. Step 6: Final answer
   x = 10,002.53