Finding the Fourth Proportional to 142,783.48, 214,185.84 and 42,935.68

Step by Step Solution

1. Step 1: Write the proportion equation
   142,783.48 : 214,185.84 = 42,935.68 : x
2. Step 2: Convert to fraction form
   142,783.48/214,185.84 = 42,935.68/x
3. Step 3: Cross multiply
   142,783.48x = 214,185.84 × 42,935.68
4. Step 4: Simplify right side
   142,783.48x = 9,196,214,686.77
5. Step 5: Solve for x
   x = 9,196,214,686.77/142,783.48
6. Step 6: Final answer
   x = 64,406.71