Finding the Fourth Proportional to 1,003,611.30, 1,504,250.55 and 404,276.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,611.30 : 1,504,250.55 = 404,276.10 : x
2. Step 2: Convert to fraction form
   1,003,611.30/1,504,250.55 = 404,276.10/x
3. Step 3: Cross multiply
   1,003,611.30x = 1,504,250.55 × 404,276.10
4. Step 4: Simplify right side
   1,003,611.30x = 608,132,545,776.86
5. Step 5: Solve for x
   x = 608,132,545,776.86/1,003,611.30
6. Step 6: Final answer
   x = 605,944.30