Finding the Fourth Proportional to 892,081.42, 1,231,090.72 and 504,896.82

Step by Step Solution

1. Step 1: Write the proportion equation
   892,081.42 : 1,231,090.72 = 504,896.82 : x
2. Step 2: Convert to fraction form
   892,081.42/1,231,090.72 = 504,896.82/x
3. Step 3: Cross multiply
   892,081.42x = 1,231,090.72 × 504,896.82
4. Step 4: Simplify right side
   892,081.42x = 621,573,788,308.15
5. Step 5: Solve for x
   x = 621,573,788,308.15/892,081.42
6. Step 6: Final answer
   x = 696,768.00