Finding the Fourth Proportional to 279,700.56, 419,316.48 and 111,114.72

Step by Step Solution

1. Step 1: Write the proportion equation
   279,700.56 : 419,316.48 = 111,114.72 : x
2. Step 2: Convert to fraction form
   279,700.56/419,316.48 = 111,114.72/x
3. Step 3: Cross multiply
   279,700.56x = 419,316.48 × 111,114.72
4. Step 4: Simplify right side
   279,700.56x = 46,592,233,266.59
5. Step 5: Solve for x
   x = 46,592,233,266.59/279,700.56
6. Step 6: Final answer
   x = 166,578.98