Finding the Fourth Proportional to 53,123.39, 79,693.53 and 17,586

Step by Step Solution

1. Step 1: Write the proportion equation
   53,123.39 : 79,693.53 = 17,586 : x
2. Step 2: Convert to fraction form
   53,123.39/79,693.53 = 17,586/x
3. Step 3: Cross multiply
   53,123.39x = 79,693.53 × 17,586
4. Step 4: Simplify right side
   53,123.39x = 1,401,490,418.58
5. Step 5: Solve for x
   x = 1,401,490,418.58/53,123.39
6. Step 6: Final answer
   x = 26,381.80