Finding the Fourth Proportional to 11,058.53, 16,564.91 and 7,090.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,058.53 : 16,564.91 = 7,090.34 : x
2. Step 2: Convert to fraction form
   11,058.53/16,564.91 = 7,090.34/x
3. Step 3: Cross multiply
   11,058.53x = 16,564.91 × 7,090.34
4. Step 4: Simplify right side
   11,058.53x = 117,450,725.69
5. Step 5: Solve for x
   x = 117,450,725.69/11,058.53
6. Step 6: Final answer
   x = 10,620.83