Finding the Fourth Proportional to 3,200.47, 4,798.64 and 2,101.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,200.47 : 4,798.64 = 2,101.50 : x
2. Step 2: Convert to fraction form
   3,200.47/4,798.64 = 2,101.50/x
3. Step 3: Cross multiply
   3,200.47x = 4,798.64 × 2,101.50
4. Step 4: Simplify right side
   3,200.47x = 10,084,341.96
5. Step 5: Solve for x
   x = 10,084,341.96/3,200.47
6. Step 6: Final answer
   x = 3,150.89