Finding the Fourth Proportional to 2,012,072.04, 3,018,408.18 and 664,377

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012,072.04 : 3,018,408.18 = 664,377 : x
2. Step 2: Convert to fraction form
   2,012,072.04/3,018,408.18 = 664,377/x
3. Step 3: Cross multiply
   2,012,072.04x = 3,018,408.18 × 664,377
4. Step 4: Simplify right side
   2,012,072.04x = 2,005,360,971,403.86
5. Step 5: Solve for x
   x = 2,005,360,971,403.86/2,012,072.04
6. Step 6: Final answer
   x = 996,664.60