Finding the Fourth Proportional to 143,427.31, 215,145.52 and 43,588.37

Step by Step Solution

1. Step 1: Write the proportion equation
   143,427.31 : 215,145.52 = 43,588.37 : x
2. Step 2: Convert to fraction form
   143,427.31/215,145.52 = 43,588.37/x
3. Step 3: Cross multiply
   143,427.31x = 215,145.52 × 43,588.37
4. Step 4: Simplify right side
   143,427.31x = 9,377,842,958.50
5. Step 5: Solve for x
   x = 9,377,842,958.50/143,427.31
6. Step 6: Final answer
   x = 65,383.94