Finding the Fourth Proportional to 8,071,212.72, 12,112,576.32 and 4,479,852.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,071,212.72 : 12,112,576.32 = 4,479,852.54 : x
2. Step 2: Convert to fraction form
   8,071,212.72/12,112,576.32 = 4,479,852.54/x
3. Step 3: Cross multiply
   8,071,212.72x = 12,112,576.32 × 4,479,852.54
4. Step 4: Simplify right side
   8,071,212.72x = 54,262,555,793,095.85
5. Step 5: Solve for x
   x = 54,262,555,793,095.85/8,071,212.72
6. Step 6: Final answer
   x = 6,722,974.31