Finding the Fourth Proportional to 47,976.72, 71,482.71 and 45,294

Step by Step Solution

1. Step 1: Write the proportion equation
   47,976.72 : 71,482.71 = 45,294 : x
2. Step 2: Convert to fraction form
   47,976.72/71,482.71 = 45,294/x
3. Step 3: Cross multiply
   47,976.72x = 71,482.71 × 45,294
4. Step 4: Simplify right side
   47,976.72x = 3,237,737,866.74
5. Step 5: Solve for x
   x = 3,237,737,866.74/47,976.72
6. Step 6: Final answer
   x = 67,485.60