Finding the Fourth Proportional to 9,940.84, 14,914.38 and 4,100.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.84 : 14,914.38 = 4,100.20 : x
2. Step 2: Convert to fraction form
   9,940.84/14,914.38 = 4,100.20/x
3. Step 3: Cross multiply
   9,940.84x = 14,914.38 × 4,100.20
4. Step 4: Simplify right side
   9,940.84x = 61,151,940.88
5. Step 5: Solve for x
   x = 61,151,940.88/9,940.84
6. Step 6: Final answer
   x = 6,151.59