Finding the Fourth Proportional to 1,780.01, 2,675.98 and 1,435.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780.01 : 2,675.98 = 1,435.76 : x
2. Step 2: Convert to fraction form
   1,780.01/2,675.98 = 1,435.76/x
3. Step 3: Cross multiply
   1,780.01x = 2,675.98 × 1,435.76
4. Step 4: Simplify right side
   1,780.01x = 3,842,051.66
5. Step 5: Solve for x
   x = 3,842,051.66/1,780.01
6. Step 6: Final answer
   x = 2,158.45