Finding the Fourth Proportional to 18,665,290.62, 25,743,498.84 and 12,141,003.47

Step by Step Solution

1. Step 1: Write the proportion equation
   18,665,290.62 : 25,743,498.84 = 12,141,003.47 : x
2. Step 2: Convert to fraction form
   18,665,290.62/25,743,498.84 = 12,141,003.47/x
3. Step 3: Cross multiply
   18,665,290.62x = 25,743,498.84 × 12,141,003.47
4. Step 4: Simplify right side
   18,665,290.62x = 312,551,908,617,663.50
5. Step 5: Solve for x
   x = 312,551,908,617,663.50/18,665,290.62
6. Step 6: Final answer
   x = 16,745,086.64