Finding the Fourth Proportional to 200,672.16, 276,923.52 and 111,248.16

Step by Step Solution

1. Step 1: Write the proportion equation
   200,672.16 : 276,923.52 = 111,248.16 : x
2. Step 2: Convert to fraction form
   200,672.16/276,923.52 = 111,248.16/x
3. Step 3: Cross multiply
   200,672.16x = 276,923.52 × 111,248.16
4. Step 4: Simplify right side
   200,672.16x = 30,807,232,060.72
5. Step 5: Solve for x
   x = 30,807,232,060.72/200,672.16
6. Step 6: Final answer
   x = 153,520.21