Finding the Fourth Proportional to 142,098.46, 213,069.32 and 57,837

Step by Step Solution

1. Step 1: Write the proportion equation
   142,098.46 : 213,069.32 = 57,837 : x
2. Step 2: Convert to fraction form
   142,098.46/213,069.32 = 57,837/x
3. Step 3: Cross multiply
   142,098.46x = 213,069.32 × 57,837
4. Step 4: Simplify right side
   142,098.46x = 12,323,290,260.84
5. Step 5: Solve for x
   x = 12,323,290,260.84/142,098.46
6. Step 6: Final answer
   x = 86,723.60