Finding the Fourth Proportional to 9,374.64, 12,936.42 and 5,182.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,374.64 : 12,936.42 = 5,182.89 : x
2. Step 2: Convert to fraction form
   9,374.64/12,936.42 = 5,182.89/x
3. Step 3: Cross multiply
   9,374.64x = 12,936.42 × 5,182.89
4. Step 4: Simplify right side
   9,374.64x = 67,048,041.85
5. Step 5: Solve for x
   x = 67,048,041.85/9,374.64
6. Step 6: Final answer
   x = 7,152.07