Finding the Fourth Proportional to 254,123.35, 381,105.48 and 91,996.94

Step by Step Solution

1. Step 1: Write the proportion equation
   254,123.35 : 381,105.48 = 91,996.94 : x
2. Step 2: Convert to fraction form
   254,123.35/381,105.48 = 91,996.94/x
3. Step 3: Cross multiply
   254,123.35x = 381,105.48 × 91,996.94
4. Step 4: Simplify right side
   254,123.35x = 35,060,537,944.38
5. Step 5: Solve for x
   x = 35,060,537,944.38/254,123.35
6. Step 6: Final answer
   x = 137,966.61