Finding the Fourth Proportional to 2,061.59, 2,845.33 and 1,397.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.59 : 2,845.33 = 1,397.99 : x
2. Step 2: Convert to fraction form
   2,061.59/2,845.33 = 1,397.99/x
3. Step 3: Cross multiply
   2,061.59x = 2,845.33 × 1,397.99
4. Step 4: Simplify right side
   2,061.59x = 3,977,746.51
5. Step 5: Solve for x
   x = 3,977,746.51/2,061.59
6. Step 6: Final answer
   x = 1,929.46