Finding the Fourth Proportional to 12,861,468.33, 17,748,367.03 and 7,279,595.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,468.33 : 17,748,367.03 = 7,279,595.05 : x
2. Step 2: Convert to fraction form
   12,861,468.33/17,748,367.03 = 7,279,595.05/x
3. Step 3: Cross multiply
   12,861,468.33x = 17,748,367.03 × 7,279,595.05
4. Step 4: Simplify right side
   12,861,468.33x = 129,200,924,777,171.20
5. Step 5: Solve for x
   x = 129,200,924,777,171.20/12,861,468.33
6. Step 6: Final answer
   x = 10,045,581.22