Finding the Fourth Proportional to 199,123.76, 297,983.76 and 124,278.96

Step by Step Solution

1. Step 1: Write the proportion equation
   199,123.76 : 297,983.76 = 124,278.96 : x
2. Step 2: Convert to fraction form
   199,123.76/297,983.76 = 124,278.96/x
3. Step 3: Cross multiply
   199,123.76x = 297,983.76 × 124,278.96
4. Step 4: Simplify right side
   199,123.76x = 37,033,111,789.69
5. Step 5: Solve for x
   x = 37,033,111,789.69/199,123.76
6. Step 6: Final answer
   x = 185,980.38