Finding the Fourth Proportional to 168,901.83, 253,333.86 and 42,542.03

Step by Step Solution

1. Step 1: Write the proportion equation
   168,901.83 : 253,333.86 = 42,542.03 : x
2. Step 2: Convert to fraction form
   168,901.83/253,333.86 = 42,542.03/x
3. Step 3: Cross multiply
   168,901.83x = 253,333.86 × 42,542.03
4. Step 4: Simplify right side
   168,901.83x = 10,777,335,405.47
5. Step 5: Solve for x
   x = 10,777,335,405.47/168,901.83
6. Step 6: Final answer
   x = 63,808.28