Finding the Fourth Proportional to 143,453.50, 197,965.83 and 83,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,453.50 : 197,965.83 = 83,837.50 : x
2. Step 2: Convert to fraction form
   143,453.50/197,965.83 = 83,837.50/x
3. Step 3: Cross multiply
   143,453.50x = 197,965.83 × 83,837.50
4. Step 4: Simplify right side
   143,453.50x = 16,596,960,272.63
5. Step 5: Solve for x
   x = 16,596,960,272.63/143,453.50
6. Step 6: Final answer
   x = 115,695.75