Finding the Fourth Proportional to 1,636,934,061.99, 2,455,365,641.14 and 456,483,044.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,934,061.99 : 2,455,365,641.14 = 456,483,044.21 : x
2. Step 2: Convert to fraction form
   1,636,934,061.99/2,455,365,641.14 = 456,483,044.21/x
3. Step 3: Cross multiply
   1,636,934,061.99x = 2,455,365,641.14 × 456,483,044.21
4. Step 4: Simplify right side
   1,636,934,061.99x = 1,120,832,782,503,948,672
5. Step 5: Solve for x
   x = 1,120,832,782,503,948,672/1,636,934,061.99
6. Step 6: Final answer
   x = 684,714,680.04