Finding the Fourth Proportional to 142,864.82, 214,276.17 and 37,691.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,864.82 : 214,276.17 = 37,691.18 : x
2. Step 2: Convert to fraction form
   142,864.82/214,276.17 = 37,691.18/x
3. Step 3: Cross multiply
   142,864.82x = 214,276.17 × 37,691.18
4. Step 4: Simplify right side
   142,864.82x = 8,076,321,693.18
5. Step 5: Solve for x
   x = 8,076,321,693.18/142,864.82
6. Step 6: Final answer
   x = 56,531.21