Finding the Fourth Proportional to 12,443,752.76, 17,172,452.21 and 7,219,871.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,443,752.76 : 17,172,452.21 = 7,219,871.39 : x
2. Step 2: Convert to fraction form
   12,443,752.76/17,172,452.21 = 7,219,871.39/x
3. Step 3: Cross multiply
   12,443,752.76x = 17,172,452.21 × 7,219,871.39
4. Step 4: Simplify right side
   12,443,752.76x = 123,982,896,413,953.03
5. Step 5: Solve for x
   x = 123,982,896,413,953.03/12,443,752.76
6. Step 6: Final answer
   x = 9,963,465.11