Finding the Fourth Proportional to 1,810.17, 2,498.04 and 1,013.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.17 : 2,498.04 = 1,013.58 : x
2. Step 2: Convert to fraction form
   1,810.17/2,498.04 = 1,013.58/x
3. Step 3: Cross multiply
   1,810.17x = 2,498.04 × 1,013.58
4. Step 4: Simplify right side
   1,810.17x = 2,531,963.38
5. Step 5: Solve for x
   x = 2,531,963.38/1,810.17
6. Step 6: Final answer
   x = 1,398.74