Finding the Fourth Proportional to 78,707.62, 108,613.33 and 42,896.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,707.62 : 108,613.33 = 42,896.86 : x
2. Step 2: Convert to fraction form
   78,707.62/108,613.33 = 42,896.86/x
3. Step 3: Cross multiply
   78,707.62x = 108,613.33 × 42,896.86
4. Step 4: Simplify right side
   78,707.62x = 4,659,170,811.14
5. Step 5: Solve for x
   x = 4,659,170,811.14/78,707.62
6. Step 6: Final answer
   x = 59,195.93