Finding the Fourth Proportional to 906,339, 1,250,747.82 and 503,931

Step by Step Solution

1. Step 1: Write the proportion equation
   906,339 : 1,250,747.82 = 503,931 : x
2. Step 2: Convert to fraction form
   906,339/1,250,747.82 = 503,931/x
3. Step 3: Cross multiply
   906,339x = 1,250,747.82 × 503,931
4. Step 4: Simplify right side
   906,339x = 630,290,599,680.42
5. Step 5: Solve for x
   x = 630,290,599,680.42/906,339
6. Step 6: Final answer
   x = 695,424.78