Finding the Fourth Proportional to 468,667.14, 646,761.27 and 253,807.57

Step by Step Solution

1. Step 1: Write the proportion equation
   468,667.14 : 646,761.27 = 253,807.57 : x
2. Step 2: Convert to fraction form
   468,667.14/646,761.27 = 253,807.57/x
3. Step 3: Cross multiply
   468,667.14x = 646,761.27 × 253,807.57
4. Step 4: Simplify right side
   468,667.14x = 164,152,906,308.81
5. Step 5: Solve for x
   x = 164,152,906,308.81/468,667.14
6. Step 6: Final answer
   x = 350,254.78