Finding the Fourth Proportional to 67,206.72, 92,743.92 and 42,070.08

Step by Step Solution

1. Step 1: Write the proportion equation
   67,206.72 : 92,743.92 = 42,070.08 : x
2. Step 2: Convert to fraction form
   67,206.72/92,743.92 = 42,070.08/x
3. Step 3: Cross multiply
   67,206.72x = 92,743.92 × 42,070.08
4. Step 4: Simplify right side
   67,206.72x = 3,901,744,133.91
5. Step 5: Solve for x
   x = 3,901,744,133.91/67,206.72
6. Step 6: Final answer
   x = 58,055.86