Finding the Fourth Proportional to 808,941.50, 1,116,743.42 and 503,116.46

Step by Step Solution

1. Step 1: Write the proportion equation
   808,941.50 : 1,116,743.42 = 503,116.46 : x
2. Step 2: Convert to fraction form
   808,941.50/1,116,743.42 = 503,116.46/x
3. Step 3: Cross multiply
   808,941.50x = 1,116,743.42 × 503,116.46
4. Step 4: Simplify right side
   808,941.50x = 561,851,996,198.69
5. Step 5: Solve for x
   x = 561,851,996,198.69/808,941.50
6. Step 6: Final answer
   x = 694,552.07