Finding the Fourth Proportional to 3,777.77, 5,667.27 and 1,314.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,777.77 : 5,667.27 = 1,314.06 : x
2. Step 2: Convert to fraction form
   3,777.77/5,667.27 = 1,314.06/x
3. Step 3: Cross multiply
   3,777.77x = 5,667.27 × 1,314.06
4. Step 4: Simplify right side
   3,777.77x = 7,447,106.64
5. Step 5: Solve for x
   x = 7,447,106.64/3,777.77
6. Step 6: Final answer
   x = 1,971.30