Finding the Fourth Proportional to 8,641.33, 11,926.61 and 5,056.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,641.33 : 11,926.61 = 5,056.08 : x
2. Step 2: Convert to fraction form
   8,641.33/11,926.61 = 5,056.08/x
3. Step 3: Cross multiply
   8,641.33x = 11,926.61 × 5,056.08
4. Step 4: Simplify right side
   8,641.33x = 60,301,846.30
5. Step 5: Solve for x
   x = 60,301,846.30/8,641.33
6. Step 6: Final answer
   x = 6,978.31