Finding the Fourth Proportional to 11,630.47, 17,442.61 and 5,055.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,630.47 : 17,442.61 = 5,055.12 : x
2. Step 2: Convert to fraction form
   11,630.47/17,442.61 = 5,055.12/x
3. Step 3: Cross multiply
   11,630.47x = 17,442.61 × 5,055.12
4. Step 4: Simplify right side
   11,630.47x = 88,174,486.66
5. Step 5: Solve for x
   x = 88,174,486.66/11,630.47
6. Step 6: Final answer
   x = 7,581.33