Finding the Fourth Proportional to 142,609.87, 213,900.88 and 37,428.84

Step by Step Solution

1. Step 1: Write the proportion equation
   142,609.87 : 213,900.88 = 37,428.84 : x
2. Step 2: Convert to fraction form
   142,609.87/213,900.88 = 37,428.84/x
3. Step 3: Cross multiply
   142,609.87x = 213,900.88 × 37,428.84
4. Step 4: Simplify right side
   142,609.87x = 8,006,061,813.38
5. Step 5: Solve for x
   x = 8,006,061,813.38/142,609.87
6. Step 6: Final answer
   x = 56,139.61