Finding the Fourth Proportional to 2,053.76, 3,091.75 and 1,875.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.76 : 3,091.75 = 1,875.20 : x
2. Step 2: Convert to fraction form
   2,053.76/3,091.75 = 1,875.20/x
3. Step 3: Cross multiply
   2,053.76x = 3,091.75 × 1,875.20
4. Step 4: Simplify right side
   2,053.76x = 5,797,649.60
5. Step 5: Solve for x
   x = 5,797,649.60/2,053.76
6. Step 6: Final answer
   x = 2,822.94