Finding the Fourth Proportional to 11,312.56, 16,969.86 and 2,992.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,312.56 : 16,969.86 = 2,992.48 : x
2. Step 2: Convert to fraction form
   11,312.56/16,969.86 = 2,992.48/x
3. Step 3: Cross multiply
   11,312.56x = 16,969.86 × 2,992.48
4. Step 4: Simplify right side
   11,312.56x = 50,781,966.65
5. Step 5: Solve for x
   x = 50,781,966.65/11,312.56
6. Step 6: Final answer
   x = 4,488.99