Finding the Fourth Proportional to 3,477,404.10, 5,216,106.15 and 2,880,207.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,477,404.10 : 5,216,106.15 = 2,880,207.30 : x
2. Step 2: Convert to fraction form
   3,477,404.10/5,216,106.15 = 2,880,207.30/x
3. Step 3: Cross multiply
   3,477,404.10x = 5,216,106.15 × 2,880,207.30
4. Step 4: Simplify right side
   3,477,404.10x = 15,023,467,010,804.89
5. Step 5: Solve for x
   x = 15,023,467,010,804.89/3,477,404.10
6. Step 6: Final answer
   x = 4,320,310.95