Finding the Fourth Proportional to 12,224,628.01, 16,870,086.71 and 7,643,604.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,224,628.01 : 16,870,086.71 = 7,643,604.97 : x
2. Step 2: Convert to fraction form
   12,224,628.01/16,870,086.71 = 7,643,604.97/x
3. Step 3: Cross multiply
   12,224,628.01x = 16,870,086.71 × 7,643,604.97
4. Step 4: Simplify right side
   12,224,628.01x = 128,948,278,620,886.95
5. Step 5: Solve for x
   x = 128,948,278,620,886.95/12,224,628.01
6. Step 6: Final answer
   x = 10,548,237.42