Finding the Fourth Proportional to 116,551,690.40, 160,837,116.96 and 64,339,604.96

Step by Step Solution

1. Step 1: Write the proportion equation
   116,551,690.40 : 160,837,116.96 = 64,339,604.96 : x
2. Step 2: Convert to fraction form
   116,551,690.40/160,837,116.96 = 64,339,604.96/x
3. Step 3: Cross multiply
   116,551,690.40x = 160,837,116.96 × 64,339,604.96
4. Step 4: Simplify right side
   116,551,690.40x = 10,348,196,568,111,716
5. Step 5: Solve for x
   x = 10,348,196,568,111,716/116,551,690.40
6. Step 6: Final answer
   x = 88,786,327.62