Finding the Fourth Proportional to 12,147,317.88, 18,218,498.22 and 4,468,323.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,147,317.88 : 18,218,498.22 = 4,468,323.48 : x
2. Step 2: Convert to fraction form
   12,147,317.88/18,218,498.22 = 4,468,323.48/x
3. Step 3: Cross multiply
   12,147,317.88x = 18,218,498.22 × 4,468,323.48
4. Step 4: Simplify right side
   12,147,317.88x = 81,406,143,366,764.20
5. Step 5: Solve for x
   x = 81,406,143,366,764.20/12,147,317.88
6. Step 6: Final answer
   x = 6,701,573.48