Finding the Fourth Proportional to 12,888.75, 17,786.48 and 7,300.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,888.75 : 17,786.48 = 7,300.83 : x
2. Step 2: Convert to fraction form
   12,888.75/17,786.48 = 7,300.83/x
3. Step 3: Cross multiply
   12,888.75x = 17,786.48 × 7,300.83
4. Step 4: Simplify right side
   12,888.75x = 129,856,030.27
5. Step 5: Solve for x
   x = 129,856,030.27/12,888.75
6. Step 6: Final answer
   x = 10,075.15