Finding the Fourth Proportional to 2,100.88, 3,151.50 and 801.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.88 : 3,151.50 = 801.64 : x
2. Step 2: Convert to fraction form
   2,100.88/3,151.50 = 801.64/x
3. Step 3: Cross multiply
   2,100.88x = 3,151.50 × 801.64
4. Step 4: Simplify right side
   2,100.88x = 2,526,368.46
5. Step 5: Solve for x
   x = 2,526,368.46/2,100.88
6. Step 6: Final answer
   x = 1,202.53