Finding the Fourth Proportional to 202,092.48, 278,903.52 and 111,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   202,092.48 : 278,903.52 = 111,456.72 : x
2. Step 2: Convert to fraction form
   202,092.48/278,903.52 = 111,456.72/x
3. Step 3: Cross multiply
   202,092.48x = 278,903.52 × 111,456.72
4. Step 4: Simplify right side
   202,092.48x = 31,085,671,535.65
5. Step 5: Solve for x
   x = 31,085,671,535.65/202,092.48
6. Step 6: Final answer
   x = 153,819.04