Finding the Fourth Proportional to 92,725.44, 139,086.72 and 37,320

Step by Step Solution

1. Step 1: Write the proportion equation
   92,725.44 : 139,086.72 = 37,320 : x
2. Step 2: Convert to fraction form
   92,725.44/139,086.72 = 37,320/x
3. Step 3: Cross multiply
   92,725.44x = 139,086.72 × 37,320
4. Step 4: Simplify right side
   92,725.44x = 5,190,716,390.40
5. Step 5: Solve for x
   x = 5,190,716,390.40/92,725.44
6. Step 6: Final answer
   x = 55,979.42