Finding the Fourth Proportional to 9,899.94, 14,850.86 and 2,784.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.94 : 14,850.86 = 2,784.16 : x
2. Step 2: Convert to fraction form
   9,899.94/14,850.86 = 2,784.16/x
3. Step 3: Cross multiply
   9,899.94x = 14,850.86 × 2,784.16
4. Step 4: Simplify right side
   9,899.94x = 41,347,170.38
5. Step 5: Solve for x
   x = 41,347,170.38/9,899.94
6. Step 6: Final answer
   x = 4,176.51