Finding the Fourth Proportional to 123,384.22, 185,152.50 and 48,491.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123,384.22 : 185,152.50 = 48,491.20 : x
2. Step 2: Convert to fraction form
   123,384.22/185,152.50 = 48,491.20/x
3. Step 3: Cross multiply
   123,384.22x = 185,152.50 × 48,491.20
4. Step 4: Simplify right side
   123,384.22x = 8,978,266,908
5. Step 5: Solve for x
   x = 8,978,266,908/123,384.22
6. Step 6: Final answer
   x = 72,766.74