Finding the Fourth Proportional to 844,061.48, 1,164,618.63 and 499,726.43

Step by Step Solution

1. Step 1: Write the proportion equation
   844,061.48 : 1,164,618.63 = 499,726.43 : x
2. Step 2: Convert to fraction form
   844,061.48/1,164,618.63 = 499,726.43/x
3. Step 3: Cross multiply
   844,061.48x = 1,164,618.63 × 499,726.43
4. Step 4: Simplify right side
   844,061.48x = 581,990,710,281.39
5. Step 5: Solve for x
   x = 581,990,710,281.39/844,061.48
6. Step 6: Final answer
   x = 689,512.23