Finding the Fourth Proportional to 926,997, 1,279,255.86 and 503,061

Step by Step Solution

1. Step 1: Write the proportion equation
   926,997 : 1,279,255.86 = 503,061 : x
2. Step 2: Convert to fraction form
   926,997/1,279,255.86 = 503,061/x
3. Step 3: Cross multiply
   926,997x = 1,279,255.86 × 503,061
4. Step 4: Simplify right side
   926,997x = 643,543,732,187.46
5. Step 5: Solve for x
   x = 643,543,732,187.46/926,997
6. Step 6: Final answer
   x = 694,224.18