Finding the Fourth Proportional to 72,974.16, 109,127.70 and 53,050.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,974.16 : 109,127.70 = 53,050.59 : x
2. Step 2: Convert to fraction form
   72,974.16/109,127.70 = 53,050.59/x
3. Step 3: Cross multiply
   72,974.16x = 109,127.70 × 53,050.59
4. Step 4: Simplify right side
   72,974.16x = 5,789,288,870.34
5. Step 5: Solve for x
   x = 5,789,288,870.34/72,974.16
6. Step 6: Final answer
   x = 79,333.41