Finding the Fourth Proportional to 10,356.84, 14,293.05 and 7,800.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,356.84 : 14,293.05 = 7,800.08 : x
2. Step 2: Convert to fraction form
   10,356.84/14,293.05 = 7,800.08/x
3. Step 3: Cross multiply
   10,356.84x = 14,293.05 × 7,800.08
4. Step 4: Simplify right side
   10,356.84x = 111,486,948.04
5. Step 5: Solve for x
   x = 111,486,948.04/10,356.84
6. Step 6: Final answer
   x = 10,764.58