Finding the Fourth Proportional to 1,306,499.23, 1,802,908 and 725,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,499.23 : 1,802,908 = 725,760 : x
2. Step 2: Convert to fraction form
   1,306,499.23/1,802,908 = 725,760/x
3. Step 3: Cross multiply
   1,306,499.23x = 1,802,908 × 725,760
4. Step 4: Simplify right side
   1,306,499.23x = 1,308,478,510,080
5. Step 5: Solve for x
   x = 1,308,478,510,080/1,306,499.23
6. Step 6: Final answer
   x = 1,001,514.95