Finding the Fourth Proportional to 1,473.77, 2,209.58 and 1,380.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,473.77 : 2,209.58 = 1,380.89 : x
2. Step 2: Convert to fraction form
   1,473.77/2,209.58 = 1,380.89/x
3. Step 3: Cross multiply
   1,473.77x = 2,209.58 × 1,380.89
4. Step 4: Simplify right side
   1,473.77x = 3,051,190.72
5. Step 5: Solve for x
   x = 3,051,190.72/1,473.77
6. Step 6: Final answer
   x = 2,070.33