Finding the Fourth Proportional to 355,419,453.58, 533,185,978.20 and 109,718,336.05

Step by Step Solution

1. Step 1: Write the proportion equation
   355,419,453.58 : 533,185,978.20 = 109,718,336.05 : x
2. Step 2: Convert to fraction form
   355,419,453.58/533,185,978.20 = 109,718,336.05/x
3. Step 3: Cross multiply
   355,419,453.58x = 533,185,978.20 × 109,718,336.05
4. Step 4: Simplify right side
   355,419,453.58x = 58,500,278,333,295,568
5. Step 5: Solve for x
   x = 58,500,278,333,295,568/355,419,453.58
6. Step 6: Final answer
   x = 164,595,037.62