Finding the Fourth Proportional to 142,083.28, 213,124.86 and 42,243.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,083.28 : 213,124.86 = 42,243.04 : x
2. Step 2: Convert to fraction form
   142,083.28/213,124.86 = 42,243.04/x
3. Step 3: Cross multiply
   142,083.28x = 213,124.86 × 42,243.04
4. Step 4: Simplify right side
   142,083.28x = 9,003,041,985.97
5. Step 5: Solve for x
   x = 9,003,041,985.97/142,083.28
6. Step 6: Final answer
   x = 63,364.54