Finding the Fourth Proportional to 142,342.49, 213,535.88 and 47,543.33

Step by Step Solution

1. Step 1: Write the proportion equation
   142,342.49 : 213,535.88 = 47,543.33 : x
2. Step 2: Convert to fraction form
   142,342.49/213,535.88 = 47,543.33/x
3. Step 3: Cross multiply
   142,342.49x = 213,535.88 × 47,543.33
4. Step 4: Simplify right side
   142,342.49x = 10,152,205,504.28
5. Step 5: Solve for x
   x = 10,152,205,504.28/142,342.49
6. Step 6: Final answer
   x = 71,322.38