Finding the Fourth Proportional to 11,955.72, 17,941.32 and 5,030.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,955.72 : 17,941.32 = 5,030.28 : x
2. Step 2: Convert to fraction form
   11,955.72/17,941.32 = 5,030.28/x
3. Step 3: Cross multiply
   11,955.72x = 17,941.32 × 5,030.28
4. Step 4: Simplify right side
   11,955.72x = 90,249,863.17
5. Step 5: Solve for x
   x = 90,249,863.17/11,955.72
6. Step 6: Final answer
   x = 7,548.68