Finding the Fourth Proportional to 123,980.56, 185,967.42 and 45,096.28

Step by Step Solution

1. Step 1: Write the proportion equation
   123,980.56 : 185,967.42 = 45,096.28 : x
2. Step 2: Convert to fraction form
   123,980.56/185,967.42 = 45,096.28/x
3. Step 3: Cross multiply
   123,980.56x = 185,967.42 × 45,096.28
4. Step 4: Simplify right side
   123,980.56x = 8,386,438,843.20
5. Step 5: Solve for x
   x = 8,386,438,843.20/123,980.56
6. Step 6: Final answer
   x = 67,643.18