Finding the Fourth Proportional to 142,141.86, 213,211.74 and 57,882.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,141.86 : 213,211.74 = 57,882.22 : x
2. Step 2: Convert to fraction form
   142,141.86/213,211.74 = 57,882.22/x
3. Step 3: Cross multiply
   142,141.86x = 213,211.74 × 57,882.22
4. Step 4: Simplify right side
   142,141.86x = 12,341,168,525.29
5. Step 5: Solve for x
   x = 12,341,168,525.29/142,141.86
6. Step 6: Final answer
   x = 86,822.90