Finding the Fourth Proportional to 5,870.77, 8,807.15 and 1,974.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.77 : 8,807.15 = 1,974.25 : x
2. Step 2: Convert to fraction form
   5,870.77/8,807.15 = 1,974.25/x
3. Step 3: Cross multiply
   5,870.77x = 8,807.15 × 1,974.25
4. Step 4: Simplify right side
   5,870.77x = 17,387,506.02
5. Step 5: Solve for x
   x = 17,387,506.02/5,870.77
6. Step 6: Final answer
   x = 2,961.71