Finding the Fourth Proportional to 12,665,460.39, 18,998,196.05 and 3,080,779.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,665,460.39 : 18,998,196.05 = 3,080,779.80 : x
2. Step 2: Convert to fraction form
   12,665,460.39/18,998,196.05 = 3,080,779.80/x
3. Step 3: Cross multiply
   12,665,460.39x = 18,998,196.05 × 3,080,779.80
4. Step 4: Simplify right side
   12,665,460.39x = 58,529,258,627,279.79
5. Step 5: Solve for x
   x = 58,529,258,627,279.79/12,665,460.39
6. Step 6: Final answer
   x = 4,621,171.03