Finding the Fourth Proportional to 12,474,080.68, 17,214,513.78 and 7,321,158.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,474,080.68 : 17,214,513.78 = 7,321,158.76 : x
2. Step 2: Convert to fraction form
   12,474,080.68/17,214,513.78 = 7,321,158.76/x
3. Step 3: Cross multiply
   12,474,080.68x = 17,214,513.78 × 7,321,158.76
4. Step 4: Simplify right side
   12,474,080.68x = 126,030,188,359,587.72
5. Step 5: Solve for x
   x = 126,030,188,359,587.72/12,474,080.68
6. Step 6: Final answer
   x = 10,103,364.86