Finding the Fourth Proportional to 1,965.32, 2,948.00 and 1,866.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.32 : 2,948.00 = 1,866.79 : x
2. Step 2: Convert to fraction form
   1,965.32/2,948.00 = 1,866.79/x
3. Step 3: Cross multiply
   1,965.32x = 2,948.00 × 1,866.79
4. Step 4: Simplify right side
   1,965.32x = 5,503,274.69
5. Step 5: Solve for x
   x = 5,503,274.69/1,965.32
6. Step 6: Final answer
   x = 2,800.19