Finding the Fourth Proportional to 142,784.73, 214,187.72 and 42,936.93

Step by Step Solution

1. Step 1: Write the proportion equation
   142,784.73 : 214,187.72 = 42,936.93 : x
2. Step 2: Convert to fraction form
   142,784.73/214,187.72 = 42,936.93/x
3. Step 3: Cross multiply
   142,784.73x = 214,187.72 × 42,936.93
4. Step 4: Simplify right side
   142,784.73x = 9,196,562,925.81
5. Step 5: Solve for x
   x = 9,196,562,925.81/142,784.73
6. Step 6: Final answer
   x = 64,408.59