Finding the Fourth Proportional to 12,861,468.06, 17,748,366.71 and 7,279,594.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,468.06 : 17,748,366.71 = 7,279,594.80 : x
2. Step 2: Convert to fraction form
   12,861,468.06/17,748,366.71 = 7,279,594.80/x
3. Step 3: Cross multiply
   12,861,468.06x = 17,748,366.71 × 7,279,594.80
4. Step 4: Simplify right side
   12,861,468.06x = 129,200,917,940,066.25
5. Step 5: Solve for x
   x = 129,200,917,940,066.25/12,861,468.06
6. Step 6: Final answer
   x = 10,045,580.91