Finding the Fourth Proportional to 342,871.83, 514,389.83 and 143,081.06

Step by Step Solution

1. Step 1: Write the proportion equation
   342,871.83 : 514,389.83 = 143,081.06 : x
2. Step 2: Convert to fraction form
   342,871.83/514,389.83 = 143,081.06/x
3. Step 3: Cross multiply
   342,871.83x = 514,389.83 × 143,081.06
4. Step 4: Simplify right side
   342,871.83x = 73,599,438,842.27
5. Step 5: Solve for x
   x = 73,599,438,842.27/342,871.83
6. Step 6: Final answer
   x = 214,655.83