Finding the Fourth Proportional to 72,268.82, 99,706.75 and 42,047.67

Step by Step Solution

1. Step 1: Write the proportion equation
   72,268.82 : 99,706.75 = 42,047.67 : x
2. Step 2: Convert to fraction form
   72,268.82/99,706.75 = 42,047.67/x
3. Step 3: Cross multiply
   72,268.82x = 99,706.75 × 42,047.67
4. Step 4: Simplify right side
   72,268.82x = 4,192,436,520.77
5. Step 5: Solve for x
   x = 4,192,436,520.77/72,268.82
6. Step 6: Final answer
   x = 58,011.69