Finding the Fourth Proportional to 3,503.47, 4,832.64 and 2,086.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,503.47 : 4,832.64 = 2,086.21 : x
2. Step 2: Convert to fraction form
   3,503.47/4,832.64 = 2,086.21/x
3. Step 3: Cross multiply
   3,503.47x = 4,832.64 × 2,086.21
4. Step 4: Simplify right side
   3,503.47x = 10,081,901.89
5. Step 5: Solve for x
   x = 10,081,901.89/3,503.47
6. Step 6: Final answer
   x = 2,877.69