Finding the Fourth Proportional to 72,980.92, 100,655.34 and 50,314.70

Step by Step Solution

1. Step 1: Write the proportion equation
   72,980.92 : 100,655.34 = 50,314.70 : x
2. Step 2: Convert to fraction form
   72,980.92/100,655.34 = 50,314.70/x
3. Step 3: Cross multiply
   72,980.92x = 100,655.34 × 50,314.70
4. Step 4: Simplify right side
   72,980.92x = 5,064,443,235.50
5. Step 5: Solve for x
   x = 5,064,443,235.50/72,980.92
6. Step 6: Final answer
   x = 69,394.07