Finding the Fourth Proportional to 3,784.01, 5,675.56 and 1,318.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,784.01 : 5,675.56 = 1,318.63 : x
2. Step 2: Convert to fraction form
   3,784.01/5,675.56 = 1,318.63/x
3. Step 3: Cross multiply
   3,784.01x = 5,675.56 × 1,318.63
4. Step 4: Simplify right side
   3,784.01x = 7,483,928.71
5. Step 5: Solve for x
   x = 7,483,928.71/3,784.01
6. Step 6: Final answer
   x = 1,977.78