Finding the Fourth Proportional to 72,931.88, 100,508.59 and 52,754.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,931.88 : 100,508.59 = 52,754.54 : x
2. Step 2: Convert to fraction form
   72,931.88/100,508.59 = 52,754.54/x
3. Step 3: Cross multiply
   72,931.88x = 100,508.59 × 52,754.54
4. Step 4: Simplify right side
   72,931.88x = 5,302,284,048.34
5. Step 5: Solve for x
   x = 5,302,284,048.34/72,931.88
6. Step 6: Final answer
   x = 72,701.87