Finding the Fourth Proportional to 1,455,052,990.16, 2,182,547,971.94 and 405,763,196.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455,052,990.16 : 2,182,547,971.94 = 405,763,196.53 : x
2. Step 2: Convert to fraction form
   1,455,052,990.16/2,182,547,971.94 = 405,763,196.53/x
3. Step 3: Cross multiply
   1,455,052,990.16x = 2,182,547,971.94 × 405,763,196.53
4. Step 4: Simplify right side
   1,455,052,990.16x = 885,597,641,673,314,560
5. Step 5: Solve for x
   x = 885,597,641,673,314,560/1,455,052,990.16
6. Step 6: Final answer
   x = 608,636,006.84