Finding the Fourth Proportional to 807,077.42, 1,113,684.42 and 496,930.76

Step by Step Solution

1. Step 1: Write the proportion equation
   807,077.42 : 1,113,684.42 = 496,930.76 : x
2. Step 2: Convert to fraction form
   807,077.42/1,113,684.42 = 496,930.76/x
3. Step 3: Cross multiply
   807,077.42x = 1,113,684.42 × 496,930.76
4. Step 4: Simplify right side
   807,077.42x = 553,424,039,662.34
5. Step 5: Solve for x
   x = 553,424,039,662.34/807,077.42
6. Step 6: Final answer
   x = 685,713.70