Finding the Fourth Proportional to 11,899.10, 17,849.55 and 3,133.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,899.10 : 17,849.55 = 3,133.88 : x
2. Step 2: Convert to fraction form
   11,899.10/17,849.55 = 3,133.88/x
3. Step 3: Cross multiply
   11,899.10x = 17,849.55 × 3,133.88
4. Step 4: Simplify right side
   11,899.10x = 55,938,258.51
5. Step 5: Solve for x
   x = 55,938,258.51/11,899.10
6. Step 6: Final answer
   x = 4,701.05