Finding the Fourth Proportional to 759,090.82, 1,046,697.69 and 620,839.30

Step by Step Solution

1. Step 1: Write the proportion equation
   759,090.82 : 1,046,697.69 = 620,839.30 : x
2. Step 2: Convert to fraction form
   759,090.82/1,046,697.69 = 620,839.30/x
3. Step 3: Cross multiply
   759,090.82x = 1,046,697.69 × 620,839.30
4. Step 4: Simplify right side
   759,090.82x = 649,831,061,171.22
5. Step 5: Solve for x
   x = 649,831,061,171.22/759,090.82
6. Step 6: Final answer
   x = 856,064.97