Finding the Fourth Proportional to 1,809.48, 2,498.67 and 1,415.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.48 : 2,498.67 = 1,415.82 : x
2. Step 2: Convert to fraction form
   1,809.48/2,498.67 = 1,415.82/x
3. Step 3: Cross multiply
   1,809.48x = 2,498.67 × 1,415.82
4. Step 4: Simplify right side
   1,809.48x = 3,537,666.96
5. Step 5: Solve for x
   x = 3,537,666.96/1,809.48
6. Step 6: Final answer
   x = 1,955.07