Finding the Fourth Proportional to 342,859.56, 514,371.46 and 143,068.82

Step by Step Solution

1. Step 1: Write the proportion equation
   342,859.56 : 514,371.46 = 143,068.82 : x
2. Step 2: Convert to fraction form
   342,859.56/514,371.46 = 143,068.82/x
3. Step 3: Cross multiply
   342,859.56x = 514,371.46 × 143,068.82
4. Step 4: Simplify right side
   342,859.56x = 73,590,517,823.88
5. Step 5: Solve for x
   x = 73,590,517,823.88/342,859.56
6. Step 6: Final answer
   x = 214,637.50