Finding the Fourth Proportional to 2,878.02, 3,973.32 and 1,935.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878.02 : 3,973.32 = 1,935.18 : x
2. Step 2: Convert to fraction form
   2,878.02/3,973.32 = 1,935.18/x
3. Step 3: Cross multiply
   2,878.02x = 3,973.32 × 1,935.18
4. Step 4: Simplify right side
   2,878.02x = 7,689,089.40
5. Step 5: Solve for x
   x = 7,689,089.40/2,878.02
6. Step 6: Final answer
   x = 2,671.66