Finding the Fourth Proportional to 1,978.51, 2,730.15 and 1,094.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.51 : 2,730.15 = 1,094.19 : x
2. Step 2: Convert to fraction form
   1,978.51/2,730.15 = 1,094.19/x
3. Step 3: Cross multiply
   1,978.51x = 2,730.15 × 1,094.19
4. Step 4: Simplify right side
   1,978.51x = 2,987,302.83
5. Step 5: Solve for x
   x = 2,987,302.83/1,978.51
6. Step 6: Final answer
   x = 1,509.88