Finding the Fourth Proportional to 9,984.72, 14,980.86 and 4,140.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,984.72 : 14,980.86 = 4,140.84 : x
2. Step 2: Convert to fraction form
   9,984.72/14,980.86 = 4,140.84/x
3. Step 3: Cross multiply
   9,984.72x = 14,980.86 × 4,140.84
4. Step 4: Simplify right side
   9,984.72x = 62,033,344.32
5. Step 5: Solve for x
   x = 62,033,344.32/9,984.72
6. Step 6: Final answer
   x = 6,212.83