Finding the Fourth Proportional to 53,105.31, 79,707.24 and 26,828.51

Step by Step Solution

1. Step 1: Write the proportion equation
   53,105.31 : 79,707.24 = 26,828.51 : x
2. Step 2: Convert to fraction form
   53,105.31/79,707.24 = 26,828.51/x
3. Step 3: Cross multiply
   53,105.31x = 79,707.24 × 26,828.51
4. Step 4: Simplify right side
   53,105.31x = 2,138,426,086.88
5. Step 5: Solve for x
   x = 2,138,426,086.88/53,105.31
6. Step 6: Final answer
   x = 40,267.65