Finding the Fourth Proportional to 9,216,009.12, 12,718,100.56 and 5,141,628.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,216,009.12 : 12,718,100.56 = 5,141,628.96 : x
2. Step 2: Convert to fraction form
   9,216,009.12/12,718,100.56 = 5,141,628.96/x
3. Step 3: Cross multiply
   9,216,009.12x = 12,718,100.56 × 5,141,628.96
4. Step 4: Simplify right side
   9,216,009.12x = 65,391,754,155,488.22
5. Step 5: Solve for x
   x = 65,391,754,155,488.22/9,216,009.12
6. Step 6: Final answer
   x = 7,095,452.41