Finding the Fourth Proportional to 142,095.47, 213,064.83 and 57,834

Step by Step Solution

1. Step 1: Write the proportion equation
   142,095.47 : 213,064.83 = 57,834 : x
2. Step 2: Convert to fraction form
   142,095.47/213,064.83 = 57,834/x
3. Step 3: Cross multiply
   142,095.47x = 213,064.83 × 57,834
4. Step 4: Simplify right side
   142,095.47x = 12,322,391,378.22
5. Step 5: Solve for x
   x = 12,322,391,378.22/142,095.47
6. Step 6: Final answer
   x = 86,719.10