Finding the Fourth Proportional to 3,505.82, 5,258.18 and 2,101.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505.82 : 5,258.18 = 2,101.02 : x
2. Step 2: Convert to fraction form
   3,505.82/5,258.18 = 2,101.02/x
3. Step 3: Cross multiply
   3,505.82x = 5,258.18 × 2,101.02
4. Step 4: Simplify right side
   3,505.82x = 11,047,541.34
5. Step 5: Solve for x
   x = 11,047,541.34/3,505.82
6. Step 6: Final answer
   x = 3,151.20