Finding the Fourth Proportional to 12,443,753.51, 17,172,453.24 and 7,219,872.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,443,753.51 : 17,172,453.24 = 7,219,872.14 : x
2. Step 2: Convert to fraction form
   12,443,753.51/17,172,453.24 = 7,219,872.14/x
3. Step 3: Cross multiply
   12,443,753.51x = 17,172,453.24 × 7,219,872.14
4. Step 4: Simplify right side
   12,443,753.51x = 123,982,916,765,859.86
5. Step 5: Solve for x
   x = 123,982,916,765,859.86/12,443,753.51
6. Step 6: Final answer
   x = 9,963,466.15