Finding the Fourth Proportional to 11,823.82, 17,736.72 and 3,058.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,823.82 : 17,736.72 = 3,058.90 : x
2. Step 2: Convert to fraction form
   11,823.82/17,736.72 = 3,058.90/x
3. Step 3: Cross multiply
   11,823.82x = 17,736.72 × 3,058.90
4. Step 4: Simplify right side
   11,823.82x = 54,254,852.81
5. Step 5: Solve for x
   x = 54,254,852.81/11,823.82
6. Step 6: Final answer
   x = 4,588.61