Finding the Fourth Proportional to 1,076,735.42, 1,615,383.50 and 402,869.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,735.42 : 1,615,383.50 = 402,869.42 : x
2. Step 2: Convert to fraction form
   1,076,735.42/1,615,383.50 = 402,869.42/x
3. Step 3: Cross multiply
   1,076,735.42x = 1,615,383.50 × 402,869.42
4. Step 4: Simplify right side
   1,076,735.42x = 650,788,613,722.57
5. Step 5: Solve for x
   x = 650,788,613,722.57/1,076,735.42
6. Step 6: Final answer
   x = 604,409.03