Finding the Fourth Proportional to 67,418.08, 101,123.34 and 20,670.82

Step by Step Solution

1. Step 1: Write the proportion equation
   67,418.08 : 101,123.34 = 20,670.82 : x
2. Step 2: Convert to fraction form
   67,418.08/101,123.34 = 20,670.82/x
3. Step 3: Cross multiply
   67,418.08x = 101,123.34 × 20,670.82
4. Step 4: Simplify right side
   67,418.08x = 2,090,302,358.94
5. Step 5: Solve for x
   x = 2,090,302,358.94/67,418.08
6. Step 6: Final answer
   x = 31,005.07