Finding the Fourth Proportional to 979,719.69, 1,469,672.29 and 380,727.04

Step by Step Solution

1. Step 1: Write the proportion equation
   979,719.69 : 1,469,672.29 = 380,727.04 : x
2. Step 2: Convert to fraction form
   979,719.69/1,469,672.29 = 380,727.04/x
3. Step 3: Cross multiply
   979,719.69x = 1,469,672.29 × 380,727.04
4. Step 4: Simplify right side
   979,719.69x = 559,543,978,157.50
5. Step 5: Solve for x
   x = 559,543,978,157.50/979,719.69
6. Step 6: Final answer
   x = 571,126.60