Finding the Fourth Proportional to 8,357.89, 11,527.35 and 5,374

Step by Step Solution

1. Step 1: Write the proportion equation
   8,357.89 : 11,527.35 = 5,374 : x
2. Step 2: Convert to fraction form
   8,357.89/11,527.35 = 5,374/x
3. Step 3: Cross multiply
   8,357.89x = 11,527.35 × 5,374
4. Step 4: Simplify right side
   8,357.89x = 61,947,978.90
5. Step 5: Solve for x
   x = 61,947,978.90/8,357.89
6. Step 6: Final answer
   x = 7,411.92