Finding the Fourth Proportional to 18,483,105.81, 25,498,875.81 and 12,373,502.61

Step by Step Solution

1. Step 1: Write the proportion equation
   18,483,105.81 : 25,498,875.81 = 12,373,502.61 : x
2. Step 2: Convert to fraction form
   18,483,105.81/25,498,875.81 = 12,373,502.61/x
3. Step 3: Cross multiply
   18,483,105.81x = 25,498,875.81 × 12,373,502.61
4. Step 4: Simplify right side
   18,483,105.81x = 315,510,406,387,100.81
5. Step 5: Solve for x
   x = 315,510,406,387,100.81/18,483,105.81
6. Step 6: Final answer
   x = 17,070,205.06