Finding the Fourth Proportional to 116,353,559.68, 160,568,399.04 and 64,141,449.28

Step by Step Solution

1. Step 1: Write the proportion equation
   116,353,559.68 : 160,568,399.04 = 64,141,449.28 : x
2. Step 2: Convert to fraction form
   116,353,559.68/160,568,399.04 = 64,141,449.28/x
3. Step 3: Cross multiply
   116,353,559.68x = 160,568,399.04 × 64,141,449.28
4. Step 4: Simplify right side
   116,353,559.68x = 10,299,089,822,994,960
5. Step 5: Solve for x
   x = 10,299,089,822,994,960/116,353,559.68
6. Step 6: Final answer
   x = 88,515,468.30