Finding the Fourth Proportional to 78,344.39, 108,139.91 and 50,050.07

Step by Step Solution

1. Step 1: Write the proportion equation
   78,344.39 : 108,139.91 = 50,050.07 : x
2. Step 2: Convert to fraction form
   78,344.39/108,139.91 = 50,050.07/x
3. Step 3: Cross multiply
   78,344.39x = 108,139.91 × 50,050.07
4. Step 4: Simplify right side
   78,344.39x = 5,412,409,274.34
5. Step 5: Solve for x
   x = 5,412,409,274.34/78,344.39
6. Step 6: Final answer
   x = 69,084.84