Finding the Fourth Proportional to 1,811.98, 2,500.55 and 1,026.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.98 : 2,500.55 = 1,026.01 : x
2. Step 2: Convert to fraction form
   1,811.98/2,500.55 = 1,026.01/x
3. Step 3: Cross multiply
   1,811.98x = 2,500.55 × 1,026.01
4. Step 4: Simplify right side
   1,811.98x = 2,565,589.31
5. Step 5: Solve for x
   x = 2,565,589.31/1,811.98
6. Step 6: Final answer
   x = 1,415.90