Finding the Fourth Proportional to 2,053.68, 2,834.37 and 1,307.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.68 : 2,834.37 = 1,307.40 : x
2. Step 2: Convert to fraction form
   2,053.68/2,834.37 = 1,307.40/x
3. Step 3: Cross multiply
   2,053.68x = 2,834.37 × 1,307.40
4. Step 4: Simplify right side
   2,053.68x = 3,705,655.34
5. Step 5: Solve for x
   x = 3,705,655.34/2,053.68
6. Step 6: Final answer
   x = 1,804.40