Finding the Fourth Proportional to 143,538.33, 215,353.59 and 43,717.83

Step by Step Solution

1. Step 1: Write the proportion equation
   143,538.33 : 215,353.59 = 43,717.83 : x
2. Step 2: Convert to fraction form
   143,538.33/215,353.59 = 43,717.83/x
3. Step 3: Cross multiply
   143,538.33x = 215,353.59 × 43,717.83
4. Step 4: Simplify right side
   143,538.33x = 9,414,791,637.51
5. Step 5: Solve for x
   x = 9,414,791,637.51/143,538.33
6. Step 6: Final answer
   x = 65,590.78