Finding the Fourth Proportional to 1,057,644, 1,459,548.72 and 580,716

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,644 : 1,459,548.72 = 580,716 : x
2. Step 2: Convert to fraction form
   1,057,644/1,459,548.72 = 580,716/x
3. Step 3: Cross multiply
   1,057,644x = 1,459,548.72 × 580,716
4. Step 4: Simplify right side
   1,057,644x = 847,583,294,483.52
5. Step 5: Solve for x
   x = 847,583,294,483.52/1,057,644
6. Step 6: Final answer
   x = 801,388.08