Finding the Fourth Proportional to 19,681,786.10, 27,160,876.49 and 10,979,958.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,681,786.10 : 27,160,876.49 = 10,979,958.69 : x
2. Step 2: Convert to fraction form
   19,681,786.10/27,160,876.49 = 10,979,958.69/x
3. Step 3: Cross multiply
   19,681,786.10x = 27,160,876.49 × 10,979,958.69
4. Step 4: Simplify right side
   19,681,786.10x = 298,225,301,789,492.38
5. Step 5: Solve for x
   x = 298,225,301,789,492.38/19,681,786.10
6. Step 6: Final answer
   x = 15,152,349.50