Finding the Fourth Proportional to 10,756.06, 14,840.82 and 6,978.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,756.06 : 14,840.82 = 6,978.02 : x
2. Step 2: Convert to fraction form
   10,756.06/14,840.82 = 6,978.02/x
3. Step 3: Cross multiply
   10,756.06x = 14,840.82 × 6,978.02
4. Step 4: Simplify right side
   10,756.06x = 103,559,464.57
5. Step 5: Solve for x
   x = 103,559,464.57/10,756.06
6. Step 6: Final answer
   x = 9,628.01