Finding the Fourth Proportional to 2,978.10, 4,465.35 and 1,334.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.10 : 4,465.35 = 1,334.34 : x
2. Step 2: Convert to fraction form
   2,978.10/4,465.35 = 1,334.34/x
3. Step 3: Cross multiply
   2,978.10x = 4,465.35 × 1,334.34
4. Step 4: Simplify right side
   2,978.10x = 5,958,295.12
5. Step 5: Solve for x
   x = 5,958,295.12/2,978.10
6. Step 6: Final answer
   x = 2,000.70