Finding the Fourth Proportional to 8,372,633.59, 12,550,978.72 and 2,688,872.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,372,633.59 : 12,550,978.72 = 2,688,872.09 : x
2. Step 2: Convert to fraction form
   8,372,633.59/12,550,978.72 = 2,688,872.09/x
3. Step 3: Cross multiply
   8,372,633.59x = 12,550,978.72 × 2,688,872.09
4. Step 4: Simplify right side
   8,372,633.59x = 33,747,976,368,947.56
5. Step 5: Solve for x
   x = 33,747,976,368,947.56/8,372,633.59
6. Step 6: Final answer
   x = 4,030,748.03