Finding the Fourth Proportional to 897,411, 1,238,514.66 and 495,003

Step by Step Solution

1. Step 1: Write the proportion equation
   897,411 : 1,238,514.66 = 495,003 : x
2. Step 2: Convert to fraction form
   897,411/1,238,514.66 = 495,003/x
3. Step 3: Cross multiply
   897,411x = 1,238,514.66 × 495,003
4. Step 4: Simplify right side
   897,411x = 613,068,472,243.98
5. Step 5: Solve for x
   x = 613,068,472,243.98/897,411
6. Step 6: Final answer
   x = 683,152.39