Finding the Fourth Proportional to 342,856.56, 514,366.96 and 143,065.82

Step by Step Solution

1. Step 1: Write the proportion equation
   342,856.56 : 514,366.96 = 143,065.82 : x
2. Step 2: Convert to fraction form
   342,856.56/514,366.96 = 143,065.82/x
3. Step 3: Cross multiply
   342,856.56x = 514,366.96 × 143,065.82
4. Step 4: Simplify right side
   342,856.56x = 73,588,330,913.31
5. Step 5: Solve for x
   x = 73,588,330,913.31/342,856.56
6. Step 6: Final answer
   x = 214,633.00