Finding the Fourth Proportional to 1,962.02, 2,942.89 and 729.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.02 : 2,942.89 = 729.07 : x
2. Step 2: Convert to fraction form
   1,962.02/2,942.89 = 729.07/x
3. Step 3: Cross multiply
   1,962.02x = 2,942.89 × 729.07
4. Step 4: Simplify right side
   1,962.02x = 2,145,572.81
5. Step 5: Solve for x
   x = 2,145,572.81/1,962.02
6. Step 6: Final answer
   x = 1,093.55