Finding the Fourth Proportional to 11,045.30, 16,522.38 and 7,090.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,045.30 : 16,522.38 = 7,090.47 : x
2. Step 2: Convert to fraction form
   11,045.30/16,522.38 = 7,090.47/x
3. Step 3: Cross multiply
   11,045.30x = 16,522.38 × 7,090.47
4. Step 4: Simplify right side
   11,045.30x = 117,151,439.72
5. Step 5: Solve for x
   x = 117,151,439.72/11,045.30
6. Step 6: Final answer
   x = 10,606.46