Finding the Fourth Proportional to 1,807.89, 2,495.34 and 1,179.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.89 : 2,495.34 = 1,179.98 : x
2. Step 2: Convert to fraction form
   1,807.89/2,495.34 = 1,179.98/x
3. Step 3: Cross multiply
   1,807.89x = 2,495.34 × 1,179.98
4. Step 4: Simplify right side
   1,807.89x = 2,944,448.17
5. Step 5: Solve for x
   x = 2,944,448.17/1,807.89
6. Step 6: Final answer
   x = 1,628.67