Finding the Fourth Proportional to 17,111.89, 25,665.86 and 4,631.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,111.89 : 25,665.86 = 4,631.18 : x
2. Step 2: Convert to fraction form
   17,111.89/25,665.86 = 4,631.18/x
3. Step 3: Cross multiply
   17,111.89x = 25,665.86 × 4,631.18
4. Step 4: Simplify right side
   17,111.89x = 118,863,100.76
5. Step 5: Solve for x
   x = 118,863,100.76/17,111.89
6. Step 6: Final answer
   x = 6,946.23