Finding the Fourth Proportional to 1,443,530.28, 1,992,515.70 and 832,091.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,530.28 : 1,992,515.70 = 832,091.72 : x
2. Step 2: Convert to fraction form
   1,443,530.28/1,992,515.70 = 832,091.72/x
3. Step 3: Cross multiply
   1,443,530.28x = 1,992,515.70 × 832,091.72
4. Step 4: Simplify right side
   1,443,530.28x = 1,657,955,810,958.72
5. Step 5: Solve for x
   x = 1,657,955,810,958.72/1,443,530.28
6. Step 6: Final answer
   x = 1,148,542.46