Finding the Fourth Proportional to 9,279,081.80, 12,805,426.49 and 5,358,766.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279,081.80 : 12,805,426.49 = 5,358,766.98 : x
2. Step 2: Convert to fraction form
   9,279,081.80/12,805,426.49 = 5,358,766.98/x
3. Step 3: Cross multiply
   9,279,081.80x = 12,805,426.49 × 5,358,766.98
4. Step 4: Simplify right side
   9,279,081.80x = 68,621,296,612,635.47
5. Step 5: Solve for x
   x = 68,621,296,612,635.47/9,279,081.80
6. Step 6: Final answer
   x = 7,395,267.99