Finding the Fourth Proportional to 2,470.42, 3,696.83 and 1,979.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.42 : 3,696.83 = 1,979.98 : x
2. Step 2: Convert to fraction form
   2,470.42/3,696.83 = 1,979.98/x
3. Step 3: Cross multiply
   2,470.42x = 3,696.83 × 1,979.98
4. Step 4: Simplify right side
   2,470.42x = 7,319,627.16
5. Step 5: Solve for x
   x = 7,319,627.16/2,470.42
6. Step 6: Final answer
   x = 2,962.91