Finding the Fourth Proportional to 1,355.16, 1,870 and 795.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.16 : 1,870 = 795.56 : x
2. Step 2: Convert to fraction form
   1,355.16/1,870 = 795.56/x
3. Step 3: Cross multiply
   1,355.16x = 1,870 × 795.56
4. Step 4: Simplify right side
   1,355.16x = 1,487,697.20
5. Step 5: Solve for x
   x = 1,487,697.20/1,355.16
6. Step 6: Final answer
   x = 1,097.80