Finding the Fourth Proportional to 37,150.74, 55,630.91 and 20,492.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,150.74 : 55,630.91 = 20,492.25 : x
2. Step 2: Convert to fraction form
   37,150.74/55,630.91 = 20,492.25/x
3. Step 3: Cross multiply
   37,150.74x = 55,630.91 × 20,492.25
4. Step 4: Simplify right side
   37,150.74x = 1,140,002,515.45
5. Step 5: Solve for x
   x = 1,140,002,515.45/37,150.74
6. Step 6: Final answer
   x = 30,685.86