Finding the Fourth Proportional to 1,701.78, 2,553.47 and 1,009.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,701.78 : 2,553.47 = 1,009.82 : x
2. Step 2: Convert to fraction form
   1,701.78/2,553.47 = 1,009.82/x
3. Step 3: Cross multiply
   1,701.78x = 2,553.47 × 1,009.82
4. Step 4: Simplify right side
   1,701.78x = 2,578,541.51
5. Step 5: Solve for x
   x = 2,578,541.51/1,701.78
6. Step 6: Final answer
   x = 1,515.20