Finding the Fourth Proportional to 2,783.47, 4,174.79 and 1,051.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.47 : 4,174.79 = 1,051.69 : x
2. Step 2: Convert to fraction form
   2,783.47/4,174.79 = 1,051.69/x
3. Step 3: Cross multiply
   2,783.47x = 4,174.79 × 1,051.69
4. Step 4: Simplify right side
   2,783.47x = 4,390,577.09
5. Step 5: Solve for x
   x = 4,390,577.09/2,783.47
6. Step 6: Final answer
   x = 1,577.38