Finding the Fourth Proportional to 1,761.31, 2,430.71 and 975.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.31 : 2,430.71 = 975.34 : x
2. Step 2: Convert to fraction form
   1,761.31/2,430.71 = 975.34/x
3. Step 3: Cross multiply
   1,761.31x = 2,430.71 × 975.34
4. Step 4: Simplify right side
   1,761.31x = 2,370,768.69
5. Step 5: Solve for x
   x = 2,370,768.69/1,761.31
6. Step 6: Final answer
   x = 1,346.03