Finding the Fourth Proportional to 86,196.96, 129,190.75 and 46,117.35

Step by Step Solution

1. Step 1: Write the proportion equation
   86,196.96 : 129,190.75 = 46,117.35 : x
2. Step 2: Convert to fraction form
   86,196.96/129,190.75 = 46,117.35/x
3. Step 3: Cross multiply
   86,196.96x = 129,190.75 × 46,117.35
4. Step 4: Simplify right side
   86,196.96x = 5,957,934,919.22
5. Step 5: Solve for x
   x = 5,957,934,919.22/86,196.96
6. Step 6: Final answer
   x = 69,120.01