Finding the Fourth Proportional to 3,803.52, 5,248.32 and 2,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,803.52 : 5,248.32 = 2,124.72 : x
2. Step 2: Convert to fraction form
   3,803.52/5,248.32 = 2,124.72/x
3. Step 3: Cross multiply
   3,803.52x = 5,248.32 × 2,124.72
4. Step 4: Simplify right side
   3,803.52x = 11,151,210.47
5. Step 5: Solve for x
   x = 11,151,210.47/3,803.52
6. Step 6: Final answer
   x = 2,931.81