Finding the Fourth Proportional to 73,567.72, 101,446.50 and 48,385

Step by Step Solution

1. Step 1: Write the proportion equation
   73,567.72 : 101,446.50 = 48,385 : x
2. Step 2: Convert to fraction form
   73,567.72/101,446.50 = 48,385/x
3. Step 3: Cross multiply
   73,567.72x = 101,446.50 × 48,385
4. Step 4: Simplify right side
   73,567.72x = 4,908,488,902.50
5. Step 5: Solve for x
   x = 4,908,488,902.50/73,567.72
6. Step 6: Final answer
   x = 66,720.69