Finding the Fourth Proportional to 957,605,172.48, 1,436,468,443.20 and 404,804,574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   957,605,172.48 : 1,436,468,443.20 = 404,804,574.72 : x
2. Step 2: Convert to fraction form
   957,605,172.48/1,436,468,443.20 = 404,804,574.72/x
3. Step 3: Cross multiply
   957,605,172.48x = 1,436,468,443.20 × 404,804,574.72
4. Step 4: Simplify right side
   957,605,172.48x = 581,488,997,248,276,480
5. Step 5: Solve for x
   x = 581,488,997,248,276,480/957,605,172.48
6. Step 6: Final answer
   x = 607,232,514.99