Finding the Fourth Proportional to 314,489.72, 471,340.83 and 247,665.98

Step by Step Solution

1. Step 1: Write the proportion equation
   314,489.72 : 471,340.83 = 247,665.98 : x
2. Step 2: Convert to fraction form
   314,489.72/471,340.83 = 247,665.98/x
3. Step 3: Cross multiply
   314,489.72x = 471,340.83 × 247,665.98
4. Step 4: Simplify right side
   314,489.72x = 116,735,088,575.96
5. Step 5: Solve for x
   x = 116,735,088,575.96/314,489.72
6. Step 6: Final answer
   x = 371,188.89