Finding the Fourth Proportional to 1,300.98, 1,796.14 and 859.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.98 : 1,796.14 = 859.62 : x
2. Step 2: Convert to fraction form
   1,300.98/1,796.14 = 859.62/x
3. Step 3: Cross multiply
   1,300.98x = 1,796.14 × 859.62
4. Step 4: Simplify right side
   1,300.98x = 1,543,997.87
5. Step 5: Solve for x
   x = 1,543,997.87/1,300.98
6. Step 6: Final answer
   x = 1,186.80