Finding the Fourth Proportional to 1,143,282.34, 1,715,587.82 and 512,196.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,282.34 : 1,715,587.82 = 512,196.15 : x
2. Step 2: Convert to fraction form
   1,143,282.34/1,715,587.82 = 512,196.15/x
3. Step 3: Cross multiply
   1,143,282.34x = 1,715,587.82 × 512,196.15
4. Step 4: Simplify right side
   1,143,282.34x = 878,717,478,118.88
5. Step 5: Solve for x
   x = 878,717,478,118.88/1,143,282.34
6. Step 6: Final answer
   x = 768,591.84