Finding the Fourth Proportional to 9,131.58, 12,601.58 and 4,939.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.58 : 12,601.58 = 4,939.83 : x
2. Step 2: Convert to fraction form
   9,131.58/12,601.58 = 4,939.83/x
3. Step 3: Cross multiply
   9,131.58x = 12,601.58 × 4,939.83
4. Step 4: Simplify right side
   9,131.58x = 62,249,638.23
5. Step 5: Solve for x
   x = 62,249,638.23/9,131.58
6. Step 6: Final answer
   x = 6,816.96