Finding the Fourth Proportional to 2,117,401.03, 3,174,315.76 and 918,420.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,401.03 : 3,174,315.76 = 918,420.22 : x
2. Step 2: Convert to fraction form
   2,117,401.03/3,174,315.76 = 918,420.22/x
3. Step 3: Cross multiply
   2,117,401.03x = 3,174,315.76 × 918,420.22
4. Step 4: Simplify right side
   2,117,401.03x = 2,915,355,778,648.67
5. Step 5: Solve for x
   x = 2,915,355,778,648.67/2,117,401.03
6. Step 6: Final answer
   x = 1,376,855.75