Finding the Fourth Proportional to 37,142.89, 55,722.99 and 20,498.92

Step by Step Solution

1. Step 1: Write the proportion equation
   37,142.89 : 55,722.99 = 20,498.92 : x
2. Step 2: Convert to fraction form
   37,142.89/55,722.99 = 20,498.92/x
3. Step 3: Cross multiply
   37,142.89x = 55,722.99 × 20,498.92
4. Step 4: Simplify right side
   37,142.89x = 1,142,261,114.17
5. Step 5: Solve for x
   x = 1,142,261,114.17/37,142.89
6. Step 6: Final answer
   x = 30,753.16