Finding the Fourth Proportional to 806,323.47, 1,112,263.59 and 503,992.59

Step by Step Solution

1. Step 1: Write the proportion equation
   806,323.47 : 1,112,263.59 = 503,992.59 : x
2. Step 2: Convert to fraction form
   806,323.47/1,112,263.59 = 503,992.59/x
3. Step 3: Cross multiply
   806,323.47x = 1,112,263.59 × 503,992.59
4. Step 4: Simplify right side
   806,323.47x = 560,572,607,486.80
5. Step 5: Solve for x
   x = 560,572,607,486.80/806,323.47
6. Step 6: Final answer
   x = 695,220.50