Finding the Fourth Proportional to 2,100.51, 2,896.56 and 1,802.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.51 : 2,896.56 = 1,802.77 : x
2. Step 2: Convert to fraction form
   2,100.51/2,896.56 = 1,802.77/x
3. Step 3: Cross multiply
   2,100.51x = 2,896.56 × 1,802.77
4. Step 4: Simplify right side
   2,100.51x = 5,221,824.23
5. Step 5: Solve for x
   x = 5,221,824.23/2,100.51
6. Step 6: Final answer
   x = 2,485.98