Finding the Fourth Proportional to 9,131.56, 12,601.50 and 4,939.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.56 : 12,601.50 = 4,939.84 : x
2. Step 2: Convert to fraction form
   9,131.56/12,601.50 = 4,939.84/x
3. Step 3: Cross multiply
   9,131.56x = 12,601.50 × 4,939.84
4. Step 4: Simplify right side
   9,131.56x = 62,249,393.76
5. Step 5: Solve for x
   x = 62,249,393.76/9,131.56
6. Step 6: Final answer
   x = 6,816.95