Finding the Fourth Proportional to 10,692.86, 14,757.54 and 5,978.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,692.86 : 14,757.54 = 5,978.12 : x
2. Step 2: Convert to fraction form
   10,692.86/14,757.54 = 5,978.12/x
3. Step 3: Cross multiply
   10,692.86x = 14,757.54 × 5,978.12
4. Step 4: Simplify right side
   10,692.86x = 88,222,345.02
5. Step 5: Solve for x
   x = 88,222,345.02/10,692.86
6. Step 6: Final answer
   x = 8,250.58