Finding the Fourth Proportional to 2,979.93, 4,470.55 and 1,131.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.93 : 4,470.55 = 1,131.07 : x
2. Step 2: Convert to fraction form
   2,979.93/4,470.55 = 1,131.07/x
3. Step 3: Cross multiply
   2,979.93x = 4,470.55 × 1,131.07
4. Step 4: Simplify right side
   2,979.93x = 5,056,490.98
5. Step 5: Solve for x
   x = 5,056,490.98/2,979.93
6. Step 6: Final answer
   x = 1,696.85