Finding the Fourth Proportional to 3,780.32, 5,216.82 and 2,101.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780.32 : 5,216.82 = 2,101.52 : x
2. Step 2: Convert to fraction form
   3,780.32/5,216.82 = 2,101.52/x
3. Step 3: Cross multiply
   3,780.32x = 5,216.82 × 2,101.52
4. Step 4: Simplify right side
   3,780.32x = 10,963,251.57
5. Step 5: Solve for x
   x = 10,963,251.57/3,780.32
6. Step 6: Final answer
   x = 2,900.09