Finding the Fourth Proportional to 9,131.50, 12,601.56 and 4,939.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.50 : 12,601.56 = 4,939.84 : x
2. Step 2: Convert to fraction form
   9,131.50/12,601.56 = 4,939.84/x
3. Step 3: Cross multiply
   9,131.50x = 12,601.56 × 4,939.84
4. Step 4: Simplify right side
   9,131.50x = 62,249,690.15
5. Step 5: Solve for x
   x = 62,249,690.15/9,131.50
6. Step 6: Final answer
   x = 6,817.03