Finding the Fourth Proportional to 9,131.76, 12,601.83 and 4,940.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.76 : 12,601.83 = 4,940.01 : x
2. Step 2: Convert to fraction form
   9,131.76/12,601.83 = 4,940.01/x
3. Step 3: Cross multiply
   9,131.76x = 12,601.83 × 4,940.01
4. Step 4: Simplify right side
   9,131.76x = 62,253,166.22
5. Step 5: Solve for x
   x = 62,253,166.22/9,131.76
6. Step 6: Final answer
   x = 6,817.21