Finding the Fourth Proportional to 116,353,545.68, 160,568,379.72 and 64,141,435.28

Step by Step Solution

1. Step 1: Write the proportion equation
   116,353,545.68 : 160,568,379.72 = 64,141,435.28 : x
2. Step 2: Convert to fraction form
   116,353,545.68/160,568,379.72 = 64,141,435.28/x
3. Step 3: Cross multiply
   116,353,545.68x = 160,568,379.72 × 64,141,435.28
4. Step 4: Simplify right side
   116,353,545.68x = 10,299,086,335,824,844
5. Step 5: Solve for x
   x = 10,299,086,335,824,844/116,353,545.68
6. Step 6: Final answer
   x = 88,515,448.98