Finding the Fourth Proportional to 12,374,053.12, 17,078,245.68 and 7,217,414.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,374,053.12 : 17,078,245.68 = 7,217,414.56 : x
2. Step 2: Convert to fraction form
   12,374,053.12/17,078,245.68 = 7,217,414.56/x
3. Step 3: Cross multiply
   12,374,053.12x = 17,078,245.68 × 7,217,414.56
4. Step 4: Simplify right side
   12,374,053.12x = 123,260,779,030,089.09
5. Step 5: Solve for x
   x = 123,260,779,030,089.09/12,374,053.12
6. Step 6: Final answer
   x = 9,961,229.18