Finding the Fourth Proportional to 1,984.08, 2,976.56 and 1,059.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.08 : 2,976.56 = 1,059.15 : x
2. Step 2: Convert to fraction form
   1,984.08/2,976.56 = 1,059.15/x
3. Step 3: Cross multiply
   1,984.08x = 2,976.56 × 1,059.15
4. Step 4: Simplify right side
   1,984.08x = 3,152,623.52
5. Step 5: Solve for x
   x = 3,152,623.52/1,984.08
6. Step 6: Final answer
   x = 1,588.96