Finding the Fourth Proportional to 1,216,450.56, 1,820,156.04 and 765,063.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216,450.56 : 1,820,156.04 = 765,063.48 : x
2. Step 2: Convert to fraction form
   1,216,450.56/1,820,156.04 = 765,063.48/x
3. Step 3: Cross multiply
   1,216,450.56x = 1,820,156.04 × 765,063.48
4. Step 4: Simplify right side
   1,216,450.56x = 1,392,534,914,105.42
5. Step 5: Solve for x
   x = 1,392,534,914,105.42/1,216,450.56
6. Step 6: Final answer
   x = 1,144,752.58