Finding the Fourth Proportional to 1,076,362.08, 1,613,982.56 and 401,888.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,362.08 : 1,613,982.56 = 401,888.72 : x
2. Step 2: Convert to fraction form
   1,076,362.08/1,613,982.56 = 401,888.72/x
3. Step 3: Cross multiply
   1,076,362.08x = 1,613,982.56 × 401,888.72
4. Step 4: Simplify right side
   1,076,362.08x = 648,641,385,140.72
5. Step 5: Solve for x
   x = 648,641,385,140.72/1,076,362.08
6. Step 6: Final answer
   x = 602,623.78