Finding the Fourth Proportional to 1,459,200.24, 2,189,018.88 and 512,404.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,459,200.24 : 2,189,018.88 = 512,404.08 : x
2. Step 2: Convert to fraction form
   1,459,200.24/2,189,018.88 = 512,404.08/x
3. Step 3: Cross multiply
   1,459,200.24x = 2,189,018.88 × 512,404.08
4. Step 4: Simplify right side
   1,459,200.24x = 1,121,662,205,309.03
5. Step 5: Solve for x
   x = 1,121,662,205,309.03/1,459,200.24
6. Step 6: Final answer
   x = 768,682.85