Finding the Fourth Proportional to 72,819.08, 100,506.72 and 47,654

Step by Step Solution

1. Step 1: Write the proportion equation
   72,819.08 : 100,506.72 = 47,654 : x
2. Step 2: Convert to fraction form
   72,819.08/100,506.72 = 47,654/x
3. Step 3: Cross multiply
   72,819.08x = 100,506.72 × 47,654
4. Step 4: Simplify right side
   72,819.08x = 4,789,547,234.88
5. Step 5: Solve for x
   x = 4,789,547,234.88/72,819.08
6. Step 6: Final answer
   x = 65,773.25