Finding the Fourth Proportional to 10,557.89, 14,567.40 and 6,308.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,557.89 : 14,567.40 = 6,308.12 : x
2. Step 2: Convert to fraction form
   10,557.89/14,567.40 = 6,308.12/x
3. Step 3: Cross multiply
   10,557.89x = 14,567.40 × 6,308.12
4. Step 4: Simplify right side
   10,557.89x = 91,892,907.29
5. Step 5: Solve for x
   x = 91,892,907.29/10,557.89
6. Step 6: Final answer
   x = 8,703.72