Finding the Fourth Proportional to 67,348.72, 92,903.20 and 42,154.48

Step by Step Solution

1. Step 1: Write the proportion equation
   67,348.72 : 92,903.20 = 42,154.48 : x
2. Step 2: Convert to fraction form
   67,348.72/92,903.20 = 42,154.48/x
3. Step 3: Cross multiply
   67,348.72x = 92,903.20 × 42,154.48
4. Step 4: Simplify right side
   67,348.72x = 3,916,286,086.34
5. Step 5: Solve for x
   x = 3,916,286,086.34/67,348.72
6. Step 6: Final answer
   x = 58,149.38