Finding the Fourth Proportional to 143,381.45, 215,061.38 and 57,997.73

Step by Step Solution

1. Step 1: Write the proportion equation
   143,381.45 : 215,061.38 = 57,997.73 : x
2. Step 2: Convert to fraction form
   143,381.45/215,061.38 = 57,997.73/x
3. Step 3: Cross multiply
   143,381.45x = 215,061.38 × 57,997.73
4. Step 4: Simplify right side
   143,381.45x = 12,473,071,560.68
5. Step 5: Solve for x
   x = 12,473,071,560.68/143,381.45
6. Step 6: Final answer
   x = 86,992.23