Finding the Fourth Proportional to 5,056.76, 6,978.33 and 3,039.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,056.76 : 6,978.33 = 3,039.86 : x
2. Step 2: Convert to fraction form
   5,056.76/6,978.33 = 3,039.86/x
3. Step 3: Cross multiply
   5,056.76x = 6,978.33 × 3,039.86
4. Step 4: Simplify right side
   5,056.76x = 21,213,111.34
5. Step 5: Solve for x
   x = 21,213,111.34/5,056.76
6. Step 6: Final answer
   x = 4,195.00