Finding the Fourth Proportional to 1,152,854.56, 1,590,966.12 and 723,152.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,854.56 : 1,590,966.12 = 723,152.80 : x
2. Step 2: Convert to fraction form
   1,152,854.56/1,590,966.12 = 723,152.80/x
3. Step 3: Cross multiply
   1,152,854.56x = 1,590,966.12 × 723,152.80
4. Step 4: Simplify right side
   1,152,854.56x = 1,150,511,604,383.14
5. Step 5: Solve for x
   x = 1,150,511,604,383.14/1,152,854.56
6. Step 6: Final answer
   x = 997,967.69