Finding the Fourth Proportional to 16,289,826.54, 24,397,538.82 and 7,776,141.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,289,826.54 : 24,397,538.82 = 7,776,141.72 : x
2. Step 2: Convert to fraction form
   16,289,826.54/24,397,538.82 = 7,776,141.72/x
3. Step 3: Cross multiply
   16,289,826.54x = 24,397,538.82 × 7,776,141.72
4. Step 4: Simplify right side
   16,289,826.54x = 189,718,719,483,521.56
5. Step 5: Solve for x
   x = 189,718,719,483,521.56/16,289,826.54
6. Step 6: Final answer
   x = 11,646,454.25