Finding the Fourth Proportional to 116,288,624.35, 160,471,069.68 and 64,074,738.07

Step by Step Solution

1. Step 1: Write the proportion equation
   116,288,624.35 : 160,471,069.68 = 64,074,738.07 : x
2. Step 2: Convert to fraction form
   116,288,624.35/160,471,069.68 = 64,074,738.07/x
3. Step 3: Cross multiply
   116,288,624.35x = 160,471,069.68 × 64,074,738.07
4. Step 4: Simplify right side
   116,288,624.35x = 10,282,141,757,558,720
5. Step 5: Solve for x
   x = 10,282,141,757,558,720/116,288,624.35
6. Step 6: Final answer
   x = 88,419,153.77