Finding the Fourth Proportional to 1,333,725.69, 1,840,541.31 and 721,878.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,725.69 : 1,840,541.31 = 721,878.34 : x
2. Step 2: Convert to fraction form
   1,333,725.69/1,840,541.31 = 721,878.34/x
3. Step 3: Cross multiply
   1,333,725.69x = 1,840,541.31 × 721,878.34
4. Step 4: Simplify right side
   1,333,725.69x = 1,328,646,905,564.23
5. Step 5: Solve for x
   x = 1,328,646,905,564.23/1,333,725.69
6. Step 6: Final answer
   x = 996,192.03