Finding the Fourth Proportional to 67,012.32, 92,478.28 and 36,800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,012.32 : 92,478.28 = 36,800.72 : x
2. Step 2: Convert to fraction form
   67,012.32/92,478.28 = 36,800.72/x
3. Step 3: Cross multiply
   67,012.32x = 92,478.28 × 36,800.72
4. Step 4: Simplify right side
   67,012.32x = 3,403,267,288.36
5. Step 5: Solve for x
   x = 3,403,267,288.36/67,012.32
6. Step 6: Final answer
   x = 50,785.70