Finding the Fourth Proportional to 371,057.98, 512,061.30 and 201,293.32

Step by Step Solution

1. Step 1: Write the proportion equation
   371,057.98 : 512,061.30 = 201,293.32 : x
2. Step 2: Convert to fraction form
   371,057.98/512,061.30 = 201,293.32/x
3. Step 3: Cross multiply
   371,057.98x = 512,061.30 × 201,293.32
4. Step 4: Simplify right side
   371,057.98x = 103,074,519,120.52
5. Step 5: Solve for x
   x = 103,074,519,120.52/371,057.98
6. Step 6: Final answer
   x = 277,785.48