Finding the Fourth Proportional to 2,787.93, 3,847.34 and 1,528.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787.93 : 3,847.34 = 1,528.98 : x
2. Step 2: Convert to fraction form
   2,787.93/3,847.34 = 1,528.98/x
3. Step 3: Cross multiply
   2,787.93x = 3,847.34 × 1,528.98
4. Step 4: Simplify right side
   2,787.93x = 5,882,498.27
5. Step 5: Solve for x
   x = 5,882,498.27/2,787.93
6. Step 6: Final answer
   x = 2,109.99