Finding the Fourth Proportional to 1,409,938.50, 1,945,717.59 and 765,359.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,938.50 : 1,945,717.59 = 765,359.13 : x
2. Step 2: Convert to fraction form
   1,409,938.50/1,945,717.59 = 765,359.13/x
3. Step 3: Cross multiply
   1,409,938.50x = 1,945,717.59 × 765,359.13
4. Step 4: Simplify right side
   1,409,938.50x = 1,489,172,721,908.10
5. Step 5: Solve for x
   x = 1,489,172,721,908.10/1,409,938.50
6. Step 6: Final answer
   x = 1,056,196.93