Finding the Fourth Proportional to 12,109,463.82, 16,715,109.51 and 7,216,220.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,109,463.82 : 16,715,109.51 = 7,216,220.34 : x
2. Step 2: Convert to fraction form
   12,109,463.82/16,715,109.51 = 7,216,220.34/x
3. Step 3: Cross multiply
   12,109,463.82x = 16,715,109.51 × 7,216,220.34
4. Step 4: Simplify right side
   12,109,463.82x = 120,619,913,231,389.42
5. Step 5: Solve for x
   x = 120,619,913,231,389.42/12,109,463.82
6. Step 6: Final answer
   x = 9,960,797.19