Finding the Fourth Proportional to 37,154.42, 55,636.46 and 20,495.93

Step by Step Solution

1. Step 1: Write the proportion equation
   37,154.42 : 55,636.46 = 20,495.93 : x
2. Step 2: Convert to fraction form
   37,154.42/55,636.46 = 20,495.93/x
3. Step 3: Cross multiply
   37,154.42x = 55,636.46 × 20,495.93
4. Step 4: Simplify right side
   37,154.42x = 1,140,321,026.22
5. Step 5: Solve for x
   x = 1,140,321,026.22/37,154.42
6. Step 6: Final answer
   x = 30,691.40