Finding the Fourth Proportional to 142,862.82, 214,273.17 and 37,689.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,862.82 : 214,273.17 = 37,689.18 : x
2. Step 2: Convert to fraction form
   142,862.82/214,273.17 = 37,689.18/x
3. Step 3: Cross multiply
   142,862.82x = 214,273.17 × 37,689.18
4. Step 4: Simplify right side
   142,862.82x = 8,075,780,073.30
5. Step 5: Solve for x
   x = 8,075,780,073.30/142,862.82
6. Step 6: Final answer
   x = 56,528.21