Finding the Fourth Proportional to 5,945.08, 8,878.59 and 4,776.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,945.08 : 8,878.59 = 4,776.86 : x
2. Step 2: Convert to fraction form
   5,945.08/8,878.59 = 4,776.86/x
3. Step 3: Cross multiply
   5,945.08x = 8,878.59 × 4,776.86
4. Step 4: Simplify right side
   5,945.08x = 42,411,781.43
5. Step 5: Solve for x
   x = 42,411,781.43/5,945.08
6. Step 6: Final answer
   x = 7,133.93