Finding the Fourth Proportional to 12,224,626.52, 16,870,084.64 and 7,643,603.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,224,626.52 : 16,870,084.64 = 7,643,603.48 : x
2. Step 2: Convert to fraction form
   12,224,626.52/16,870,084.64 = 7,643,603.48/x
3. Step 3: Cross multiply
   12,224,626.52x = 16,870,084.64 × 7,643,603.48
4. Step 4: Simplify right side
   12,224,626.52x = 128,948,237,662,198.56
5. Step 5: Solve for x
   x = 128,948,237,662,198.56/12,224,626.52
6. Step 6: Final answer
   x = 10,548,235.36