Finding the Fourth Proportional to 11,812.83, 17,719.32 and 3,047.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,812.83 : 17,719.32 = 3,047.82 : x
2. Step 2: Convert to fraction form
   11,812.83/17,719.32 = 3,047.82/x
3. Step 3: Cross multiply
   11,812.83x = 17,719.32 × 3,047.82
4. Step 4: Simplify right side
   11,812.83x = 54,005,258.94
5. Step 5: Solve for x
   x = 54,005,258.94/11,812.83
6. Step 6: Final answer
   x = 4,571.75