Finding the Fourth Proportional to 9,394.58, 12,950.72 and 7,152.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,394.58 : 12,950.72 = 7,152.56 : x
2. Step 2: Convert to fraction form
   9,394.58/12,950.72 = 7,152.56/x
3. Step 3: Cross multiply
   9,394.58x = 12,950.72 × 7,152.56
4. Step 4: Simplify right side
   9,394.58x = 92,630,801.84
5. Step 5: Solve for x
   x = 92,630,801.84/9,394.58
6. Step 6: Final answer
   x = 9,860.03