Finding the Fourth Proportional to 802,156.79, 1,106,871.12 and 479,749.25

Step by Step Solution

1. Step 1: Write the proportion equation
   802,156.79 : 1,106,871.12 = 479,749.25 : x
2. Step 2: Convert to fraction form
   802,156.79/1,106,871.12 = 479,749.25/x
3. Step 3: Cross multiply
   802,156.79x = 1,106,871.12 × 479,749.25
4. Step 4: Simplify right side
   802,156.79x = 531,020,584,132.30
5. Step 5: Solve for x
   x = 531,020,584,132.30/802,156.79
6. Step 6: Final answer
   x = 661,991.01