Finding the Fourth Proportional to 120,285,533.46, 165,994,105.24 and 65,281,389.96

Step by Step Solution

1. Step 1: Write the proportion equation
   120,285,533.46 : 165,994,105.24 = 65,281,389.96 : x
2. Step 2: Convert to fraction form
   120,285,533.46/165,994,105.24 = 65,281,389.96/x
3. Step 3: Cross multiply
   120,285,533.46x = 165,994,105.24 × 65,281,389.96
4. Step 4: Simplify right side
   120,285,533.46x = 10,836,325,914,907,314
5. Step 5: Solve for x
   x = 10,836,325,914,907,314/120,285,533.46
6. Step 6: Final answer
   x = 90,088,355.63