Finding the Fourth Proportional to 11,812.71, 17,719.41 and 3,047.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,812.71 : 17,719.41 = 3,047.63 : x
2. Step 2: Convert to fraction form
   11,812.71/17,719.41 = 3,047.63/x
3. Step 3: Cross multiply
   11,812.71x = 17,719.41 × 3,047.63
4. Step 4: Simplify right side
   11,812.71x = 54,002,111.19
5. Step 5: Solve for x
   x = 54,002,111.19/11,812.71
6. Step 6: Final answer
   x = 4,571.53