Finding the Fourth Proportional to 1,755.30, 2,422.35 and 1,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755.30 : 2,422.35 = 1,009.50 : x
2. Step 2: Convert to fraction form
   1,755.30/2,422.35 = 1,009.50/x
3. Step 3: Cross multiply
   1,755.30x = 2,422.35 × 1,009.50
4. Step 4: Simplify right side
   1,755.30x = 2,445,362.33
5. Step 5: Solve for x
   x = 2,445,362.33/1,755.30
6. Step 6: Final answer
   x = 1,393.13