Finding the Fourth Proportional to 188,964,288.76, 283,446,436.78 and 45,357,120.76

Step by Step Solution

1. Step 1: Write the proportion equation
   188,964,288.76 : 283,446,436.78 = 45,357,120.76 : x
2. Step 2: Convert to fraction form
   188,964,288.76/283,446,436.78 = 45,357,120.76/x
3. Step 3: Cross multiply
   188,964,288.76x = 283,446,436.78 × 45,357,120.76
4. Step 4: Simplify right side
   188,964,288.76x = 12,856,314,262,022,164
5. Step 5: Solve for x
   x = 12,856,314,262,022,164/188,964,288.76
6. Step 6: Final answer
   x = 68,035,682.01