Finding the Fourth Proportional to 926,994, 1,279,251.72 and 503,058

Step by Step Solution

1. Step 1: Write the proportion equation
   926,994 : 1,279,251.72 = 503,058 : x
2. Step 2: Convert to fraction form
   926,994/1,279,251.72 = 503,058/x
3. Step 3: Cross multiply
   926,994x = 1,279,251.72 × 503,058
4. Step 4: Simplify right side
   926,994x = 643,537,811,759.76
5. Step 5: Solve for x
   x = 643,537,811,759.76/926,994
6. Step 6: Final answer
   x = 694,220.04