Finding the Fourth Proportional to 142,111.26, 213,041.45 and 57,941.83

Step by Step Solution

1. Step 1: Write the proportion equation
   142,111.26 : 213,041.45 = 57,941.83 : x
2. Step 2: Convert to fraction form
   142,111.26/213,041.45 = 57,941.83/x
3. Step 3: Cross multiply
   142,111.26x = 213,041.45 × 57,941.83
4. Step 4: Simplify right side
   142,111.26x = 12,344,011,890.01
5. Step 5: Solve for x
   x = 12,344,011,890.01/142,111.26
6. Step 6: Final answer
   x = 86,861.60