Finding the Fourth Proportional to 1,810.86, 2,499.21 and 1,024.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.86 : 2,499.21 = 1,024.89 : x
2. Step 2: Convert to fraction form
   1,810.86/2,499.21 = 1,024.89/x
3. Step 3: Cross multiply
   1,810.86x = 2,499.21 × 1,024.89
4. Step 4: Simplify right side
   1,810.86x = 2,561,415.34
5. Step 5: Solve for x
   x = 2,561,415.34/1,810.86
6. Step 6: Final answer
   x = 1,414.47