Finding the Fourth Proportional to 72,498.30, 108,692.72 and 47,544.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,498.30 : 108,692.72 = 47,544.63 : x
2. Step 2: Convert to fraction form
   72,498.30/108,692.72 = 47,544.63/x
3. Step 3: Cross multiply
   72,498.30x = 108,692.72 × 47,544.63
4. Step 4: Simplify right side
   72,498.30x = 5,167,755,156.09
5. Step 5: Solve for x
   x = 5,167,755,156.09/72,498.30
6. Step 6: Final answer
   x = 71,281.05