Finding the Fourth Proportional to 8,988,664.16, 12,404,576.04 and 5,456,502.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,988,664.16 : 12,404,576.04 = 5,456,502.56 : x
2. Step 2: Convert to fraction form
   8,988,664.16/12,404,576.04 = 5,456,502.56/x
3. Step 3: Cross multiply
   8,988,664.16x = 12,404,576.04 × 5,456,502.56
4. Step 4: Simplify right side
   8,988,664.16x = 67,685,600,917,974.66
5. Step 5: Solve for x
   x = 67,685,600,917,974.66/8,988,664.16
6. Step 6: Final answer
   x = 7,530,106.78