Finding the Fourth Proportional to 16,390,100.67, 22,617,746.10 and 9,047,776.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,390,100.67 : 22,617,746.10 = 9,047,776.21 : x
2. Step 2: Convert to fraction form
   16,390,100.67/22,617,746.10 = 9,047,776.21/x
3. Step 3: Cross multiply
   16,390,100.67x = 22,617,746.10 × 9,047,776.21
4. Step 4: Simplify right side
   16,390,100.67x = 204,640,305,087,400.31
5. Step 5: Solve for x
   x = 204,640,305,087,400.31/16,390,100.67
6. Step 6: Final answer
   x = 12,485,603.91