Finding the Fourth Proportional to 3,401,176.89, 5,101,733.61 and 1,378,940.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401,176.89 : 5,101,733.61 = 1,378,940.11 : x
2. Step 2: Convert to fraction form
   3,401,176.89/5,101,733.61 = 1,378,940.11/x
3. Step 3: Cross multiply
   3,401,176.89x = 5,101,733.61 × 1,378,940.11
4. Step 4: Simplify right side
   3,401,176.89x = 7,034,985,105,364.10
5. Step 5: Solve for x
   x = 7,034,985,105,364.10/3,401,176.89
6. Step 6: Final answer
   x = 2,068,397.30