Finding the Fourth Proportional to 1,333,012, 1,839,556.56 and 729,400

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,012 : 1,839,556.56 = 729,400 : x
2. Step 2: Convert to fraction form
   1,333,012/1,839,556.56 = 729,400/x
3. Step 3: Cross multiply
   1,333,012x = 1,839,556.56 × 729,400
4. Step 4: Simplify right side
   1,333,012x = 1,341,772,554,864
5. Step 5: Solve for x
   x = 1,341,772,554,864/1,333,012
6. Step 6: Final answer
   x = 1,006,572