Finding the Fourth Proportional to 225,978.86, 311,849.98 and 124,006.04

Step by Step Solution

1. Step 1: Write the proportion equation
   225,978.86 : 311,849.98 = 124,006.04 : x
2. Step 2: Convert to fraction form
   225,978.86/311,849.98 = 124,006.04/x
3. Step 3: Cross multiply
   225,978.86x = 311,849.98 × 124,006.04
4. Step 4: Simplify right side
   225,978.86x = 38,671,281,093.88
5. Step 5: Solve for x
   x = 38,671,281,093.88/225,978.86
6. Step 6: Final answer
   x = 171,127.87