Finding the Fourth Proportional to 143,973.67, 215,792.37 and 108,320.46

Step by Step Solution

1. Step 1: Write the proportion equation
   143,973.67 : 215,792.37 = 108,320.46 : x
2. Step 2: Convert to fraction form
   143,973.67/215,792.37 = 108,320.46/x
3. Step 3: Cross multiply
   143,973.67x = 215,792.37 × 108,320.46
4. Step 4: Simplify right side
   143,973.67x = 23,374,728,782.89
5. Step 5: Solve for x
   x = 23,374,728,782.89/143,973.67
6. Step 6: Final answer
   x = 162,354.19