Finding the Fourth Proportional to 10,886,358.18, 16,339,624.81 and 5,498,784.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886,358.18 : 16,339,624.81 = 5,498,784.83 : x
2. Step 2: Convert to fraction form
   10,886,358.18/16,339,624.81 = 5,498,784.83/x
3. Step 3: Cross multiply
   10,886,358.18x = 16,339,624.81 × 5,498,784.83
4. Step 4: Simplify right side
   10,886,358.18x = 89,848,081,091,152.39
5. Step 5: Solve for x
   x = 89,848,081,091,152.39/10,886,358.18
6. Step 6: Final answer
   x = 8,253,272.54