Finding the Fourth Proportional to 12,861,469.33, 17,748,368.41 and 7,279,596.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,469.33 : 17,748,368.41 = 7,279,596.05 : x
2. Step 2: Convert to fraction form
   12,861,469.33/17,748,368.41 = 7,279,596.05/x
3. Step 3: Cross multiply
   12,861,469.33x = 17,748,368.41 × 7,279,596.05
4. Step 4: Simplify right side
   12,861,469.33x = 129,200,952,571,380.78
5. Step 5: Solve for x
   x = 129,200,952,571,380.78/12,861,469.33
6. Step 6: Final answer
   x = 10,045,582.60