Finding the Fourth Proportional to 1,168.34, 1,753.52 and 648.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.34 : 1,753.52 = 648.86 : x
2. Step 2: Convert to fraction form
   1,168.34/1,753.52 = 648.86/x
3. Step 3: Cross multiply
   1,168.34x = 1,753.52 × 648.86
4. Step 4: Simplify right side
   1,168.34x = 1,137,776.98
5. Step 5: Solve for x
   x = 1,137,776.98/1,168.34
6. Step 6: Final answer
   x = 973.84