Finding the Fourth Proportional to 142,142.86, 213,213.24 and 57,883.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,142.86 : 213,213.24 = 57,883.22 : x
2. Step 2: Convert to fraction form
   142,142.86/213,213.24 = 57,883.22/x
3. Step 3: Cross multiply
   142,142.86x = 213,213.24 × 57,883.22
4. Step 4: Simplify right side
   142,142.86x = 12,341,468,877.83
5. Step 5: Solve for x
   x = 12,341,468,877.83/142,142.86
6. Step 6: Final answer
   x = 86,824.40