Finding the Fourth Proportional to 142,619.10, 213,912.18 and 37,446.30

Step by Step Solution

1. Step 1: Write the proportion equation
   142,619.10 : 213,912.18 = 37,446.30 : x
2. Step 2: Convert to fraction form
   142,619.10/213,912.18 = 37,446.30/x
3. Step 3: Cross multiply
   142,619.10x = 213,912.18 × 37,446.30
4. Step 4: Simplify right side
   142,619.10x = 8,010,219,665.93
5. Step 5: Solve for x
   x = 8,010,219,665.93/142,619.10
6. Step 6: Final answer
   x = 56,165.13