Finding the Fourth Proportional to 1,810.01, 2,496.86 and 1,145.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.01 : 2,496.86 = 1,145.71 : x
2. Step 2: Convert to fraction form
   1,810.01/2,496.86 = 1,145.71/x
3. Step 3: Cross multiply
   1,810.01x = 2,496.86 × 1,145.71
4. Step 4: Simplify right side
   1,810.01x = 2,860,677.47
5. Step 5: Solve for x
   x = 2,860,677.47/1,810.01
6. Step 6: Final answer
   x = 1,580.48