Finding the Fourth Proportional to 1,462.11, 2,191.71 and 729.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,462.11 : 2,191.71 = 729.45 : x
2. Step 2: Convert to fraction form
   1,462.11/2,191.71 = 729.45/x
3. Step 3: Cross multiply
   1,462.11x = 2,191.71 × 729.45
4. Step 4: Simplify right side
   1,462.11x = 1,598,742.86
5. Step 5: Solve for x
   x = 1,598,742.86/1,462.11
6. Step 6: Final answer
   x = 1,093.45