Finding the Fourth Proportional to 1,150,356.96, 1,586,832.72 and 719,889.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,356.96 : 1,586,832.72 = 719,889.60 : x
2. Step 2: Convert to fraction form
   1,150,356.96/1,586,832.72 = 719,889.60/x
3. Step 3: Cross multiply
   1,150,356.96x = 1,586,832.72 × 719,889.60
4. Step 4: Simplify right side
   1,150,356.96x = 1,142,344,372,067.71
5. Step 5: Solve for x
   x = 1,142,344,372,067.71/1,150,356.96
6. Step 6: Final answer
   x = 993,034.69