Finding the Fourth Proportional to 2,376.42, 3,281.64 and 1,538.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.42 : 3,281.64 = 1,538.58 : x
2. Step 2: Convert to fraction form
   2,376.42/3,281.64 = 1,538.58/x
3. Step 3: Cross multiply
   2,376.42x = 3,281.64 × 1,538.58
4. Step 4: Simplify right side
   2,376.42x = 5,049,065.67
5. Step 5: Solve for x
   x = 5,049,065.67/2,376.42
6. Step 6: Final answer
   x = 2,124.65