Finding the Fourth Proportional to 12,499,046.78, 17,241,739.72 and 7,271,467.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499,046.78 : 17,241,739.72 = 7,271,467.70 : x
2. Step 2: Convert to fraction form
   12,499,046.78/17,241,739.72 = 7,271,467.70/x
3. Step 3: Cross multiply
   12,499,046.78x = 17,241,739.72 × 7,271,467.70
4. Step 4: Simplify right side
   12,499,046.78x = 125,372,753,361,399.69
5. Step 5: Solve for x
   x = 125,372,753,361,399.69/12,499,046.78
6. Step 6: Final answer
   x = 10,030,585.18