Finding the Fourth Proportional to 685,196.04, 945,457.74 and 430,365.72

Step by Step Solution

1. Step 1: Write the proportion equation
   685,196.04 : 945,457.74 = 430,365.72 : x
2. Step 2: Convert to fraction form
   685,196.04/945,457.74 = 430,365.72/x
3. Step 3: Cross multiply
   685,196.04x = 945,457.74 × 430,365.72
4. Step 4: Simplify right side
   685,196.04x = 406,892,601,004.67
5. Step 5: Solve for x
   x = 406,892,601,004.67/685,196.04
6. Step 6: Final answer
   x = 593,833.85