Finding the Fourth Proportional to 10,774.83, 14,878.62 and 7,947.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,774.83 : 14,878.62 = 7,947.11 : x
2. Step 2: Convert to fraction form
   10,774.83/14,878.62 = 7,947.11/x
3. Step 3: Cross multiply
   10,774.83x = 14,878.62 × 7,947.11
4. Step 4: Simplify right side
   10,774.83x = 118,242,066.98
5. Step 5: Solve for x
   x = 118,242,066.98/10,774.83
6. Step 6: Final answer
   x = 10,973.91