Finding the Fourth Proportional to 12,300,502.80, 18,469,715.94 and 10,406,303.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300,502.80 : 18,469,715.94 = 10,406,303.22 : x
2. Step 2: Convert to fraction form
   12,300,502.80/18,469,715.94 = 10,406,303.22/x
3. Step 3: Cross multiply
   12,300,502.80x = 18,469,715.94 × 10,406,303.22
4. Step 4: Simplify right side
   12,300,502.80x = 192,201,464,458,907.34
5. Step 5: Solve for x
   x = 192,201,464,458,907.34/12,300,502.80
6. Step 6: Final answer
   x = 15,625,496.58