Finding the Fourth Proportional to 142,796.22, 214,196.15 and 54,025.89

Step by Step Solution

1. Step 1: Write the proportion equation
   142,796.22 : 214,196.15 = 54,025.89 : x
2. Step 2: Convert to fraction form
   142,796.22/214,196.15 = 54,025.89/x
3. Step 3: Cross multiply
   142,796.22x = 214,196.15 × 54,025.89
4. Step 4: Simplify right side
   142,796.22x = 11,572,137,773.39
5. Step 5: Solve for x
   x = 11,572,137,773.39/142,796.22
6. Step 6: Final answer
   x = 81,039.52