Finding the Fourth Proportional to 168,606.72, 252,904.23 and 42,248.07

Step by Step Solution

1. Step 1: Write the proportion equation
   168,606.72 : 252,904.23 = 42,248.07 : x
2. Step 2: Convert to fraction form
   168,606.72/252,904.23 = 42,248.07/x
3. Step 3: Cross multiply
   168,606.72x = 252,904.23 × 42,248.07
4. Step 4: Simplify right side
   168,606.72x = 10,684,715,612.34
5. Step 5: Solve for x
   x = 10,684,715,612.34/168,606.72
6. Step 6: Final answer
   x = 63,370.64