Finding the Fourth Proportional to 168,402.24, 252,602.42 and 42,042.24

Step by Step Solution

1. Step 1: Write the proportion equation
   168,402.24 : 252,602.42 = 42,042.24 : x
2. Step 2: Convert to fraction form
   168,402.24/252,602.42 = 42,042.24/x
3. Step 3: Cross multiply
   168,402.24x = 252,602.42 × 42,042.24
4. Step 4: Simplify right side
   168,402.24x = 10,619,971,356.01
5. Step 5: Solve for x
   x = 10,619,971,356.01/168,402.24
6. Step 6: Final answer
   x = 63,063.12