Finding the Fourth Proportional to 55,436.24, 83,124.12 and 19,892.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,436.24 : 83,124.12 = 19,892.72 : x
2. Step 2: Convert to fraction form
   55,436.24/83,124.12 = 19,892.72/x
3. Step 3: Cross multiply
   55,436.24x = 83,124.12 × 19,892.72
4. Step 4: Simplify right side
   55,436.24x = 1,653,564,844.41
5. Step 5: Solve for x
   x = 1,653,564,844.41/55,436.24
6. Step 6: Final answer
   x = 29,828.23