Finding the Fourth Proportional to 11,980.51, 17,963 and 4,958.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,980.51 : 17,963 = 4,958.62 : x
2. Step 2: Convert to fraction form
   11,980.51/17,963 = 4,958.62/x
3. Step 3: Cross multiply
   11,980.51x = 17,963 × 4,958.62
4. Step 4: Simplify right side
   11,980.51x = 89,071,691.06
5. Step 5: Solve for x
   x = 89,071,691.06/11,980.51
6. Step 6: Final answer
   x = 7,434.72