Finding the Fourth Proportional to 250,709.31, 376,060.05 and 100,945.71

Step by Step Solution

1. Step 1: Write the proportion equation
   250,709.31 : 376,060.05 = 100,945.71 : x
2. Step 2: Convert to fraction form
   250,709.31/376,060.05 = 100,945.71/x
3. Step 3: Cross multiply
   250,709.31x = 376,060.05 × 100,945.71
4. Step 4: Simplify right side
   250,709.31x = 37,961,648,749.89
5. Step 5: Solve for x
   x = 37,961,648,749.89/250,709.31
6. Step 6: Final answer
   x = 151,416.99