Finding the Fourth Proportional to 55,160.84, 82,753.68 and 20,100.62

Step by Step Solution

1. Step 1: Write the proportion equation
   55,160.84 : 82,753.68 = 20,100.62 : x
2. Step 2: Convert to fraction form
   55,160.84/82,753.68 = 20,100.62/x
3. Step 3: Cross multiply
   55,160.84x = 82,753.68 × 20,100.62
4. Step 4: Simplify right side
   55,160.84x = 1,663,400,275.28
5. Step 5: Solve for x
   x = 1,663,400,275.28/55,160.84
6. Step 6: Final answer
   x = 30,155.46