Finding the Fourth Proportional to 2,051.58, 3,069.80 and 1,230.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.58 : 3,069.80 = 1,230.42 : x
2. Step 2: Convert to fraction form
   2,051.58/3,069.80 = 1,230.42/x
3. Step 3: Cross multiply
   2,051.58x = 3,069.80 × 1,230.42
4. Step 4: Simplify right side
   2,051.58x = 3,777,143.32
5. Step 5: Solve for x
   x = 3,777,143.32/2,051.58
6. Step 6: Final answer
   x = 1,841.09