Finding the Fourth Proportional to 11,291.50, 16,935.89 and 2,972.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,291.50 : 16,935.89 = 2,972.16 : x
2. Step 2: Convert to fraction form
   11,291.50/16,935.89 = 2,972.16/x
3. Step 3: Cross multiply
   11,291.50x = 16,935.89 × 2,972.16
4. Step 4: Simplify right side
   11,291.50x = 50,336,159.96
5. Step 5: Solve for x
   x = 50,336,159.96/11,291.50
6. Step 6: Final answer
   x = 4,457.88