Finding the Fourth Proportional to 1,333,383.48, 1,840,055.18 and 721,522.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,383.48 : 1,840,055.18 = 721,522.88 : x
2. Step 2: Convert to fraction form
   1,333,383.48/1,840,055.18 = 721,522.88/x
3. Step 3: Cross multiply
   1,333,383.48x = 1,840,055.18 × 721,522.88
4. Step 4: Simplify right side
   1,333,383.48x = 1,327,641,912,832.52
5. Step 5: Solve for x
   x = 1,327,641,912,832.52/1,333,383.48
6. Step 6: Final answer
   x = 995,693.99