Finding the Fourth Proportional to 5,405,380.22, 7,458,916.88 and 3,659,498.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,405,380.22 : 7,458,916.88 = 3,659,498.12 : x
2. Step 2: Convert to fraction form
   5,405,380.22/7,458,916.88 = 3,659,498.12/x
3. Step 3: Cross multiply
   5,405,380.22x = 7,458,916.88 × 3,659,498.12
4. Step 4: Simplify right side
   5,405,380.22x = 27,295,892,281,298.78
5. Step 5: Solve for x
   x = 27,295,892,281,298.78/5,405,380.22
6. Step 6: Final answer
   x = 5,049,763.60