Finding the Fourth Proportional to 1,878.98, 2,592.69 and 1,179.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.98 : 2,592.69 = 1,179.86 : x
2. Step 2: Convert to fraction form
   1,878.98/2,592.69 = 1,179.86/x
3. Step 3: Cross multiply
   1,878.98x = 2,592.69 × 1,179.86
4. Step 4: Simplify right side
   1,878.98x = 3,059,011.22
5. Step 5: Solve for x
   x = 3,059,011.22/1,878.98
6. Step 6: Final answer
   x = 1,628.02