Finding the Fourth Proportional to 1,970.58, 2,719.59 and 1,184.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.58 : 2,719.59 = 1,184.61 : x
2. Step 2: Convert to fraction form
   1,970.58/2,719.59 = 1,184.61/x
3. Step 3: Cross multiply
   1,970.58x = 2,719.59 × 1,184.61
4. Step 4: Simplify right side
   1,970.58x = 3,221,653.51
5. Step 5: Solve for x
   x = 3,221,653.51/1,970.58
6. Step 6: Final answer
   x = 1,634.88