Finding the Fourth Proportional to 142,532.78, 213,796.93 and 49,039.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,532.78 : 213,796.93 = 49,039.34 : x
2. Step 2: Convert to fraction form
   142,532.78/213,796.93 = 49,039.34/x
3. Step 3: Cross multiply
   142,532.78x = 213,796.93 × 49,039.34
4. Step 4: Simplify right side
   142,532.78x = 10,484,460,341.23
5. Step 5: Solve for x
   x = 10,484,460,341.23/142,532.78
6. Step 6: Final answer
   x = 73,558.24