Finding the Fourth Proportional to 5,787.02, 7,984.74 and 3,902.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,787.02 : 7,984.74 = 3,902.10 : x
2. Step 2: Convert to fraction form
   5,787.02/7,984.74 = 3,902.10/x
3. Step 3: Cross multiply
   5,787.02x = 7,984.74 × 3,902.10
4. Step 4: Simplify right side
   5,787.02x = 31,157,238.64
5. Step 5: Solve for x
   x = 31,157,238.64/5,787.02
6. Step 6: Final answer
   x = 5,383.98