Finding the Fourth Proportional to 1,410.42, 2,113.74 and 793.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.42 : 2,113.74 = 793.88 : x
2. Step 2: Convert to fraction form
   1,410.42/2,113.74 = 793.88/x
3. Step 3: Cross multiply
   1,410.42x = 2,113.74 × 793.88
4. Step 4: Simplify right side
   1,410.42x = 1,678,045.34
5. Step 5: Solve for x
   x = 1,678,045.34/1,410.42
6. Step 6: Final answer
   x = 1,189.75