Finding the Fourth Proportional to 1,947.57, 2,904.19 and 1,930.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.57 : 2,904.19 = 1,930.02 : x
2. Step 2: Convert to fraction form
   1,947.57/2,904.19 = 1,930.02/x
3. Step 3: Cross multiply
   1,947.57x = 2,904.19 × 1,930.02
4. Step 4: Simplify right side
   1,947.57x = 5,605,144.78
5. Step 5: Solve for x
   x = 5,605,144.78/1,947.57
6. Step 6: Final answer
   x = 2,878.02