Finding the Fourth Proportional to 142,015.41, 212,998.01 and 47,236.10

Step by Step Solution

1. Step 1: Write the proportion equation
   142,015.41 : 212,998.01 = 47,236.10 : x
2. Step 2: Convert to fraction form
   142,015.41/212,998.01 = 47,236.10/x
3. Step 3: Cross multiply
   142,015.41x = 212,998.01 × 47,236.10
4. Step 4: Simplify right side
   142,015.41x = 10,061,193,998.99
5. Step 5: Solve for x
   x = 10,061,193,998.99/142,015.41
6. Step 6: Final answer
   x = 70,845.79