Finding the Fourth Proportional to 1,319.01, 1,820.22 and 729.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,319.01 : 1,820.22 = 729.52 : x
2. Step 2: Convert to fraction form
   1,319.01/1,820.22 = 729.52/x
3. Step 3: Cross multiply
   1,319.01x = 1,820.22 × 729.52
4. Step 4: Simplify right side
   1,319.01x = 1,327,886.89
5. Step 5: Solve for x
   x = 1,327,886.89/1,319.01
6. Step 6: Final answer
   x = 1,006.73