Finding the Fourth Proportional to 9,075.94, 12,521.68 and 5,670.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,075.94 : 12,521.68 = 5,670.64 : x
2. Step 2: Convert to fraction form
   9,075.94/12,521.68 = 5,670.64/x
3. Step 3: Cross multiply
   9,075.94x = 12,521.68 × 5,670.64
4. Step 4: Simplify right side
   9,075.94x = 71,005,939.48
5. Step 5: Solve for x
   x = 71,005,939.48/9,075.94
6. Step 6: Final answer
   x = 7,823.54