Finding the Fourth Proportional to 9,051.75, 12,477.75 and 7,786.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,051.75 : 12,477.75 = 7,786.02 : x
2. Step 2: Convert to fraction form
   9,051.75/12,477.75 = 7,786.02/x
3. Step 3: Cross multiply
   9,051.75x = 12,477.75 × 7,786.02
4. Step 4: Simplify right side
   9,051.75x = 97,152,028.65
5. Step 5: Solve for x
   x = 97,152,028.65/9,051.75
6. Step 6: Final answer
   x = 10,732.96