Finding the Fourth Proportional to 5,267.31, 7,883.82 and 3,880.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,267.31 : 7,883.82 = 3,880.10 : x
2. Step 2: Convert to fraction form
   5,267.31/7,883.82 = 3,880.10/x
3. Step 3: Cross multiply
   5,267.31x = 7,883.82 × 3,880.10
4. Step 4: Simplify right side
   5,267.31x = 30,590,009.98
5. Step 5: Solve for x
   x = 30,590,009.98/5,267.31
6. Step 6: Final answer
   x = 5,807.52