Finding the Fourth Proportional to 142,341, 213,548.64 and 42,501.20

Step by Step Solution

1. Step 1: Write the proportion equation
   142,341 : 213,548.64 = 42,501.20 : x
2. Step 2: Convert to fraction form
   142,341/213,548.64 = 42,501.20/x
3. Step 3: Cross multiply
   142,341x = 213,548.64 × 42,501.20
4. Step 4: Simplify right side
   142,341x = 9,076,073,458.37
5. Step 5: Solve for x
   x = 9,076,073,458.37/142,341
6. Step 6: Final answer
   x = 63,762.89