Finding the Fourth Proportional to 1,308,381.10, 1,805,301.20 and 764,411.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308,381.10 : 1,805,301.20 = 764,411.82 : x
2. Step 2: Convert to fraction form
   1,308,381.10/1,805,301.20 = 764,411.82/x
3. Step 3: Cross multiply
   1,308,381.10x = 1,805,301.20 × 764,411.82
4. Step 4: Simplify right side
   1,308,381.10x = 1,379,993,575,940.18
5. Step 5: Solve for x
   x = 1,379,993,575,940.18/1,308,381.10
6. Step 6: Final answer
   x = 1,054,733.65