Finding the Fourth Proportional to 8,356.79, 12,535.56 and 3,422.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,356.79 : 12,535.56 = 3,422.96 : x
2. Step 2: Convert to fraction form
   8,356.79/12,535.56 = 3,422.96/x
3. Step 3: Cross multiply
   8,356.79x = 12,535.56 × 3,422.96
4. Step 4: Simplify right side
   8,356.79x = 42,908,657.78
5. Step 5: Solve for x
   x = 42,908,657.78/8,356.79
6. Step 6: Final answer
   x = 5,134.59