Finding the Fourth Proportional to 3,894,109.42, 5,401,364.76 and 3,790,533.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,894,109.42 : 5,401,364.76 = 3,790,533.10 : x
2. Step 2: Convert to fraction form
   3,894,109.42/5,401,364.76 = 3,790,533.10/x
3. Step 3: Cross multiply
   3,894,109.42x = 5,401,364.76 × 3,790,533.10
4. Step 4: Simplify right side
   3,894,109.42x = 20,474,051,889,000.89
5. Step 5: Solve for x
   x = 20,474,051,889,000.89/3,894,109.42
6. Step 6: Final answer
   x = 5,257,698.15