Finding the Fourth Proportional to 142,953.20, 214,414.71 and 58,722.26

Step by Step Solution

1. Step 1: Write the proportion equation
   142,953.20 : 214,414.71 = 58,722.26 : x
2. Step 2: Convert to fraction form
   142,953.20/214,414.71 = 58,722.26/x
3. Step 3: Cross multiply
   142,953.20x = 214,414.71 × 58,722.26
4. Step 4: Simplify right side
   142,953.20x = 12,590,915,276.37
5. Step 5: Solve for x
   x = 12,590,915,276.37/142,953.20
6. Step 6: Final answer
   x = 88,077.19