Finding the Fourth Proportional to 1,260.82, 1,891.86 and 530.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260.82 : 1,891.86 = 530.38 : x
2. Step 2: Convert to fraction form
   1,260.82/1,891.86 = 530.38/x
3. Step 3: Cross multiply
   1,260.82x = 1,891.86 × 530.38
4. Step 4: Simplify right side
   1,260.82x = 1,003,404.71
5. Step 5: Solve for x
   x = 1,003,404.71/1,260.82
6. Step 6: Final answer
   x = 795.84