Finding the Fourth Proportional to 12,098,431.08, 18,150,303.90 and 3,578,103.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,098,431.08 : 18,150,303.90 = 3,578,103.30 : x
2. Step 2: Convert to fraction form
   12,098,431.08/18,150,303.90 = 3,578,103.30/x
3. Step 3: Cross multiply
   12,098,431.08x = 18,150,303.90 × 3,578,103.30
4. Step 4: Simplify right side
   12,098,431.08x = 64,943,662,280,592.86
5. Step 5: Solve for x
   x = 64,943,662,280,592.86/12,098,431.08
6. Step 6: Final answer
   x = 5,367,940.84