Finding the Fourth Proportional to 12,861,470.33, 17,748,369.79 and 7,279,597.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,470.33 : 17,748,369.79 = 7,279,597.05 : x
2. Step 2: Convert to fraction form
   12,861,470.33/17,748,369.79 = 7,279,597.05/x
3. Step 3: Cross multiply
   12,861,470.33x = 17,748,369.79 × 7,279,597.05
4. Step 4: Simplify right side
   12,861,470.33x = 129,200,980,365,593.11
5. Step 5: Solve for x
   x = 129,200,980,365,593.11/12,861,470.33
6. Step 6: Final answer
   x = 10,045,583.98