Finding the Fourth Proportional to 142,580.96, 213,900.96 and 42,737.12

Step by Step Solution

1. Step 1: Write the proportion equation
   142,580.96 : 213,900.96 = 42,737.12 : x
2. Step 2: Convert to fraction form
   142,580.96/213,900.96 = 42,737.12/x
3. Step 3: Cross multiply
   142,580.96x = 213,900.96 × 42,737.12
4. Step 4: Simplify right side
   142,580.96x = 9,141,510,995.64
5. Step 5: Solve for x
   x = 9,141,510,995.64/142,580.96
6. Step 6: Final answer
   x = 64,114.53