Finding the Fourth Proportional to 7,175.58, 9,907.83 and 5,784.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,175.58 : 9,907.83 = 5,784.54 : x
2. Step 2: Convert to fraction form
   7,175.58/9,907.83 = 5,784.54/x
3. Step 3: Cross multiply
   7,175.58x = 9,907.83 × 5,784.54
4. Step 4: Simplify right side
   7,175.58x = 57,312,238.95
5. Step 5: Solve for x
   x = 57,312,238.95/7,175.58
6. Step 6: Final answer
   x = 7,987.12