Finding the Fourth Proportional to 142,790.18, 214,209.56 and 49,274.06

Step by Step Solution

1. Step 1: Write the proportion equation
   142,790.18 : 214,209.56 = 49,274.06 : x
2. Step 2: Convert to fraction form
   142,790.18/214,209.56 = 49,274.06/x
3. Step 3: Cross multiply
   142,790.18x = 214,209.56 × 49,274.06
4. Step 4: Simplify right side
   142,790.18x = 10,554,973,764.15
5. Step 5: Solve for x
   x = 10,554,973,764.15/142,790.18
6. Step 6: Final answer
   x = 73,919.47