Finding the Fourth Proportional to 143,262.10, 214,597.83 and 83,917.86

Step by Step Solution

1. Step 1: Write the proportion equation
   143,262.10 : 214,597.83 = 83,917.86 : x
2. Step 2: Convert to fraction form
   143,262.10/214,597.83 = 83,917.86/x
3. Step 3: Cross multiply
   143,262.10x = 214,597.83 × 83,917.86
4. Step 4: Simplify right side
   143,262.10x = 18,008,590,654.24
5. Step 5: Solve for x
   x = 18,008,590,654.24/143,262.10
6. Step 6: Final answer
   x = 125,703.80