Finding the Fourth Proportional to 1,978.32, 2,729.80 and 1,094.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.32 : 2,729.80 = 1,094.11 : x
2. Step 2: Convert to fraction form
   1,978.32/2,729.80 = 1,094.11/x
3. Step 3: Cross multiply
   1,978.32x = 2,729.80 × 1,094.11
4. Step 4: Simplify right side
   1,978.32x = 2,986,696.02
5. Step 5: Solve for x
   x = 2,986,696.02/1,978.32
6. Step 6: Final answer
   x = 1,509.71