Finding the Fourth Proportional to 8,426.10, 11,619.34 and 5,592.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,426.10 : 11,619.34 = 5,592.45 : x
2. Step 2: Convert to fraction form
   8,426.10/11,619.34 = 5,592.45/x
3. Step 3: Cross multiply
   8,426.10x = 11,619.34 × 5,592.45
4. Step 4: Simplify right side
   8,426.10x = 64,980,577.98
5. Step 5: Solve for x
   x = 64,980,577.98/8,426.10
6. Step 6: Final answer
   x = 7,711.82