Finding the Fourth Proportional to 1,979.86, 2,973.19 and 1,758.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979.86 : 2,973.19 = 1,758.00 : x
2. Step 2: Convert to fraction form
   1,979.86/2,973.19 = 1,758.00/x
3. Step 3: Cross multiply
   1,979.86x = 2,973.19 × 1,758.00
4. Step 4: Simplify right side
   1,979.86x = 5,226,853.15
5. Step 5: Solve for x
   x = 5,226,853.15/1,979.86
6. Step 6: Final answer
   x = 2,640.01