Finding the Fourth Proportional to 12,186,116.56, 18,301,940.94 and 10,727,680.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,186,116.56 : 18,301,940.94 = 10,727,680.07 : x
2. Step 2: Convert to fraction form
   12,186,116.56/18,301,940.94 = 10,727,680.07/x
3. Step 3: Cross multiply
   12,186,116.56x = 18,301,940.94 × 10,727,680.07
4. Step 4: Simplify right side
   12,186,116.56x = 196,337,367,038,530.44
5. Step 5: Solve for x
   x = 196,337,367,038,530.44/12,186,116.56
6. Step 6: Final answer
   x = 16,111,561.55