Finding the Fourth Proportional to 71,845.72, 99,188.22 and 48,012.76

Step by Step Solution

1. Step 1: Write the proportion equation
   71,845.72 : 99,188.22 = 48,012.76 : x
2. Step 2: Convert to fraction form
   71,845.72/99,188.22 = 48,012.76/x
3. Step 3: Cross multiply
   71,845.72x = 99,188.22 × 48,012.76
4. Step 4: Simplify right side
   71,845.72x = 4,762,300,201.69
5. Step 5: Solve for x
   x = 4,762,300,201.69/71,845.72
6. Step 6: Final answer
   x = 66,285.09