Finding the Fourth Proportional to 53,018.10, 79,468.83 and 21,836.34

Step by Step Solution

1. Step 1: Write the proportion equation
   53,018.10 : 79,468.83 = 21,836.34 : x
2. Step 2: Convert to fraction form
   53,018.10/79,468.83 = 21,836.34/x
3. Step 3: Cross multiply
   53,018.10x = 79,468.83 × 21,836.34
4. Step 4: Simplify right side
   53,018.10x = 1,735,308,391.28
5. Step 5: Solve for x
   x = 1,735,308,391.28/53,018.10
6. Step 6: Final answer
   x = 32,730.49