Finding the Fourth Proportional to 2,357.82, 3,538.62 and 1,384.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.82 : 3,538.62 = 1,384.74 : x
2. Step 2: Convert to fraction form
   2,357.82/3,538.62 = 1,384.74/x
3. Step 3: Cross multiply
   2,357.82x = 3,538.62 × 1,384.74
4. Step 4: Simplify right side
   2,357.82x = 4,900,068.66
5. Step 5: Solve for x
   x = 4,900,068.66/2,357.82
6. Step 6: Final answer
   x = 2,078.22