Finding the Fourth Proportional to 13,463,688.72, 18,579,874.32 and 7,959,047.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,463,688.72 : 18,579,874.32 = 7,959,047.52 : x
2. Step 2: Convert to fraction form
   13,463,688.72/18,579,874.32 = 7,959,047.52/x
3. Step 3: Cross multiply
   13,463,688.72x = 18,579,874.32 × 7,959,047.52
4. Step 4: Simplify right side
   13,463,688.72x = 147,878,102,628,507.69
5. Step 5: Solve for x
   x = 147,878,102,628,507.69/13,463,688.72
6. Step 6: Final answer
   x = 10,983,476.05