Finding the Fourth Proportional to 141,842.72, 212,764.78 and 42,004.80

Step by Step Solution

1. Step 1: Write the proportion equation
   141,842.72 : 212,764.78 = 42,004.80 : x
2. Step 2: Convert to fraction form
   141,842.72/212,764.78 = 42,004.80/x
3. Step 3: Cross multiply
   141,842.72x = 212,764.78 × 42,004.80
4. Step 4: Simplify right side
   141,842.72x = 8,937,142,030.94
5. Step 5: Solve for x
   x = 8,937,142,030.94/141,842.72
6. Step 6: Final answer
   x = 63,007.41